[Q] If "A large brown dog is walking along side a river." does that mean that "The dog is small."?
Options:
- yes
- it is not possible to tell
- no
[A] The dog can't be large and small at the same time.
The answer is no.

[Q] Given the sentence "A man in a white t-shirt is holding a snow shovel." can we conclude that "A man in white is holding a shovel."?
Options:
- yes
- it is not possible to tell
- no
[A] In white refers to the color of the t-shirt. Snow shovel is a type of shovel.
The answer is yes.

[Q] Premise: "Man hitting a nail into a tree log."
Hypothesis: "A man is posting a sign into a tree."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
[A] Just because he is nailing a tree does not mean he is putting up a sign.
The answer is it is not possible to tell.