[QUESTION] If "A man is wiping snow off of his car in front of a red building." does that mean that "A man wiping snow of a car in the middle of a forest with no buildings around him."?
Options:
- yes
- it is not possible to tell
- no
A red building cannot be found in a place with no buildings.
The answer is no.

[QUESTION] If "A person reaches into the backseat of a truck while workers work behind." does that mean that "The person reaches in a van."?
Options:
- yes
- it is not possible to tell
- no
A person cannot reach into a truck and a van at the same time.
The answer is no.

[QUESTION] Test for natural language inference.
Premise: "A man in a gray sweater and blue jeans instructing on a blackboard."
Hypothesis: "A teacher presents a lesson plan."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A man instructing on a blackboard is not necessarily a teacher and it is not essential that he presents a lesson plan.
The answer is it is not possible to tell.

[QUESTION] If "A barechested man surfs on a white surfboard." does that mean that "A barechested man surfs."?
Options:
- yes
- it is not possible to tell
- no
A man that surfs surfs irrespective of the color of the board.
The answer is yes.