[QUESTION] Can we conclude from "A surfer in a wetsuit grabs his surfboard while at the height of a wave." that "The surfboard has wax on the bottom."?
Options:
- yes
- no
- it is not possible to tell
Wax is not always needed at the bottom of a surfboard.
The answer is it is not possible to tell.

[QUESTION] Test for natural language inference.
Premise: "A dog is splashing through water trying to catch ice in its mouth."
Hypothesis: "A dog splashes in the river."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A dog splashing through water is not necessarily in the river.
The answer is it is not possible to tell.

[QUESTION] Test for natural language inference.
Premise: "A middle-aged blond woman is directing an object onto a trolley."
Hypothesis: "A middle-aged woman is directing an object onto a trolley."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
No matter what color her hair is she is a woman.
The answer is yes.

[QUESTION] Premise: "A man in a blue hat has his foot on the front bumper of a van."
Based on this premise, can we conclude that the hypothesis "A man is touching the van." is true?
Options:
- yes
- it is not possible to tell
- no
It is possible to have foot on the front bumper of a van only by touching the van.
The answer is yes.