[QUESTION] Given the sentence "Man surfing at the bottom of a large wave." is it true that "A man is swimming in the lake."?
Surfing a large wave would imply the ocean and swimming is in the lake.
The answer is no.

[QUESTION] If "Five people are on their yard with two of them climbing a ladder to a tree in the background." does that mean that "Five people are climbing a ladder to a tree."?
Options:
- yes
- it is not possible to tell
- no
Five people are watching the two climbing while the other Five are all climbing.
The answer is no.

[QUESTION] Premise: "A man in plaid descends a rock face while harnessed in rock climbing equipment."
Hypothesis: "The man is outdoors."
Do we know that the hypothesis entailed by the premise?
The man is outdoors does not means that he is descends a rock.
The answer is it is not possible to tell.

[QUESTION] Premise: "Two men sit on the bow of a colorful boat as it travels through a narrow waterway."
Hypothesis: "Men are traveling on a boat."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
They sit on the bow of a boat is the same as traveling on a boat.
The answer is yes.