Question. Premise: "The old man wearing a green jacket is riding his bike."
Hypothesis: "An old man preparing to activate the jet engine attached to his bike."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
Answer. no
What step-by-step reasoning justifies that answer?
Reasoning: The old man cannot ride his bike while preparing to activate the jet at the same time.