Given the sentence "A person rides a bike off the top of a hill and is airborne." is it true that "They are riding very fast."?

it is not possible to tell
Explanation: A person rides a bike off the top of a hill and is airborne does not indicate that They are riding very fast..

Given the sentence "A man is coughing while operating machinery." can we conclude that "A man sleeping."?
Options:
- yes
- it is not possible to tell
- no

no
Explanation: A man cannot cough while operating machinery and sleep at the same time..

If "A woman in a security booth is handing a card to the photographer of this photo." does that mean that "The woman is handing out cards for an event."?
Options:
- yes
- it is not possible to tell
- no

it is not possible to tell
Explanation: Handing a card to a photographer does not imply handing out cards for an event..

Premise: "An older man with glasses and a white beard is walking along the sidewalk of a road."
Based on this premise, can we conclude that the hypothesis "An older fellow walks alone on a sidewalk." is true?
Options:
- yes
- it is not possible to tell
- no

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
it is not possible to tell
Explanation: An older man walking along the sidewalk of a road not necessarily walks alone..