Question: Should public transit be free for all riders?
Argument: Yes, because free transit would reduce car usage and lower urban air pollution.
This argument is:
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A
Strong, because it presents a direct, evidence-consistent causal chain from the policy to an environmental benefit
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B
Weak, because free transit would attract homeless people and reduce service quality
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C
Strong, because public transit is already subsidized, so making it free is a small step
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D
Weak, because many commuters will continue driving regardless of transit cost