[QUESTION] Given the sentence "A man and a woman hold hands in a grassy field." is it true that "A man and woman go for a walk."?
A man and a woman holding hands in a grassy field does not necessarily go for a walk.
The answer is it is not possible to tell.

[QUESTION] If "A boy is surfing." does that mean that "A human is using the tide to move on a board."?
Options:
- yes
- it is not possible to tell
- no
A boy is a human and using the tide to move on a board is another way of saying surfing.
The answer is yes.

[QUESTION] Premise: "Four bikes are standing up and a man is standing next to a building."
Hypothesis: "There are bikes and a man."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
If the four bikes and a man are standing they must be there.
The answer is yes.

[QUESTION] If "Two women sitting on some stairs and talking." does that mean that "Two women are talking and sititng on stairs."?
Options:
- yes
- it is not possible to tell
- no
Are talking and sitting connotes that the women are doing this actions right now.
The answer is yes.