[Q] If "This man is a window washer." does that mean that "A man works as a window washer."?
Options:
- yes
- it is not possible to tell
- no
[A] A man is employed to wash windows can be the same as introducing him as a window washer.
The answer is yes.

[Q] Premise: "A man in a blue shirt and jeans poses by large mossy rocks."
Hypothesis: "A man in jeans is sitting on a river bank."
Do we know that the hypothesis entailed by the premise?
[A] Either the man is by a river bank or by large rocks.
The answer is no.

[Q] Can we conclude from "A man is sitting on a brown sofa while holding a red hammer." that "A man is building a shed."?
Options:
- yes
- no
- it is not possible to tell
[A] If the man is building a shed then he would not be sitting on a sofa.
The answer is no.