Next Question: Given the sentence "A man is speaking into a microphone." is it true that "A man is speaking into a tuna sandwich."?
My Answer: Let's think. A man can't be speaking into a microphone and speaking into a tuna sandwich at the same time. The answer is no.

Next Question: If "A man talks on his phone next to white brick wall with blue paint spattered on parts." does that mean that "The man is talking to his boss."?
Options:
- yes
- it is not possible to tell
- no
My Answer: Let's think. The pattern of the wall does not tell that the man is talking to his boss. The answer is it is not possible to tell.

Next Question: Given the sentence "Three workers are working on a metal roof." can we conclude that "Three men are sitting on a couch."?
Options:
- yes
- it is not possible to tell
- no
My Answer: Let's think. Workers are not necessarily men. One cannot work on a roof at the same time one is sitting on a couch. The answer is no.

Next Question: Test for natural language inference.
Premise: "A biker is doing tricks on his bike."
Hypothesis: "The biker is not just riding his bike in a normal fashion."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
My Answer:
Let's think. Doing tricks implies not just riding bike in a normal fashion. The answer is yes.