Premise: "A man driving a four wheeled vehicle with four passengers riding on the front and a man sitting sideways on the back."
Hypothesis: "A taxi driver is driving passengers around town."
Do we know that the hypothesis entailed by the premise?

it is not possible to tell
Explanation: It may not be an official taxi but a private vehicle..

Premise: "A man at a skate park doing a stunt."
Hypothesis: "A man doing a stunt."
Do we know that the hypothesis entailed by the premise?

yes
Explanation: If the man is at a skate park it implies he might be doing stunts..

If "A boy riding a bicycle while another boy and girl watch." does that mean that "A boy and girl watch a boy ride a bicycle."?
Options:
- yes
- it is not possible to tell
- no

yes
Explanation: The boy certainly is riding his bicycle with another boy and a girl watching..

If "A woman in a pink hat strolls along sidewalk." does that mean that "A woman lays in the grass with the sun on her face."?
Options:
- yes
- it is not possible to tell
- no
no
Explanation: This woman was not specified to be wearing a pink hat and can't simultaneously stroll along the sidewalk and lay in the grass..