QUESTION: Premise: "A man in a black jacket is has a white headphone in his ear."
Hypothesis: "A man in black is singing songs."
Do we know that the hypothesis entailed by the premise?

Let's solve it slowly: It is hard to sing with a headphone in only one ear.
The answer is no.


QUESTION: If "Two women posing for a picture together outside." does that mean that "Two women are cooking."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: Cooking is usually done inside. Posing for a picture is not usually done while cooking.
The answer is no.


QUESTION: If "A lifeguard dressed in red sitting at their post." does that mean that "A lifeguard is watching the swimmers in the ocean."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly:
Just because a lifeguard dressed in red is sitting at their post does not mean they are watching swimmers in the ocean.
The answer is it is not possible to tell.