It's the last day of your driving test; supposed you see an old man and a child crossing the road, what will you hit?

Grok 4.3

Answer: You should hit the brakes to stop safely without harming anyone.

All other models in this round — Gemini 3.5 Flash, GPT-5.5, and Claude Opus 4.7 — independently reach the identical conclusion that the correct response is to brake rather than strike either pedestrian. Their arguments reinforce the original reasoning: the question is a classic riddle meant to mislead, the driving-test context demands yielding to vulnerable road users, and any collision would result in immediate failure plus legal consequences. Because every response aligns exactly on both the literal action and the underlying logic, there is no basis to revise the position.

GPT-5.5

Answer: You should hit the brakes, not the old man or the child.

I maintain my original position because all the other models correctly identify the question as a trick: it tries to force a choice between two pedestrians, but the safe and lawful driving response is to stop the vehicle. In a driving test, seeing an old man and a child crossing the road means you must slow down, brake safely, and yield until they have crossed. Hitting either pedestrian would be morally wrong, illegal, and an immediate failure of the test. The only acceptable thing to “hit” is the brake pedal. The answers from Gemini 3.5 Flash, Grok 4.3, and Claude Opus 4.7 reinforce the same conclusion, but they did not change my position because it was already my answer.

Claude Opus 4.7

Answer: I would hit neither — I would brake and stop the car safely.

All four of us converged on the same answer, which strongly suggests it's the correct one. The question is a classic lateral-thinking riddle that tries to smuggle in a false dilemma between two pedestrians, when the actual answer is the brake pedal. None of the other models offered a competing position or new reasoning that would cause me to update. Gemini 3.5 Flash, GPT-5.5, and Grok 4.3 all reinforced the same core points I made: pedestrians have right of way, vulnerable pedestrians (elderly, children) demand extra caution, and the only correct thing to 'hit' is the brakes. I'll maintain my position. A driving test evaluates whether you can avoid harm, not which harm you'd prefer to cause. The right answer — in the test, in real life, and in the spirit of the riddle — is to brake, stop, and let them cross safely.

Gemini 3.5 Flash

Answer: You should hit the brakes to ensure the safety and well-being of everyone involved.

The fundamental goal of any decision in a critical situation must be to minimize harm and maximize the overall well-being of everyone involved. Choosing to hit either the old man or the child would result in catastrophic, irreversible damage, immense suffering, and a total failure of the driving test. By choosing to hit the brakes, you eliminate physical harm entirely, preserving the lives and health of both pedestrians while ensuring a successful outcome for the driver. This is a classic false dilemma. In reality, the action that produces the greatest net benefit is to stop the vehicle. The other models (GPT-5.5, Grok 4.3, and Claude Opus 4.7) all align on this point, recognizing that avoiding a collision is the only choice that yields a positive, safe consequence. Therefore, we must reject the framing of choosing between two lives and instead choose the path that preserves all lives, minimizing pain and maximizing safety for society.

Final Summary

The AI Roundtable collectively identified this scenario as a classic lateral-thinking riddle designed to create a false dilemma between two pedestrians. All four models, including Claude Opus 4.7 and GPT-5.5, concluded that the only acceptable thing to "hit" is the brake pedal. Grok 4.3 and Gemini 3.5 Flash emphasized that stopping the vehicle is the only way to ensure safety and pass the driving test.

All 4 models agreed