[QUESTION] Premise: "Man wearing an purple shirt working in a biology lab."
Based on this premise, can we conclude that the hypothesis "The man is working in the laboratory." is true?
Options:
- yes
- it is not possible to tell
- no
A man is working in the laboratory regardless of what he is wearing.
The answer is yes.

Q: Can we conclude from "A couple is back to back in formal attire." that "A bride and groom stand back to back."?
Options:
- yes
- no
- it is not possible to tell
A: A couple back to back in formal attire are not necessarily a bride and groom.
The answer is it is not possible to tell.

QUESTION: Can we conclude from "A man in a casual short-sleeve button down shirt and glasses holding a little boy wearing a blue hat and chewing on a multicolored toy." that "The man is talking on the phone and eating at the same time."?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: A man is either holding a little boy or he is talking on the phone and eating at the same time. He cannot be doing both.
The answer is no.

[QUESTION] Test for natural language inference.
Premise: "Some people riding an old bus."
Hypothesis: "The people ride a bike."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A bus is a different mode of transportation than a bike.
The answer is no.

Q: Can we conclude from "A man in a heavy black coat carries a newspaper past an advertisement for an espresso." that "There is a man in a black coat."?
Options:
- yes
- no
- it is not possible to tell
A: A man in a heavy black coat is a rephrasing of there is a man in a black coat.
The answer is yes.

[QUESTION] If "A skateboarder doing a trick." does that mean that "A guy jumps in the air on his blue skateboard."?
Options:
- yes
- it is not possible to tell
- no
Not all skateboarders are a guy and not all tricks are jumps in the air and not all skateboarders use a blue skateboard.
The answer is it is not possible to tell.