QUESTION: If "A black dog with a pink collar is following behind a brown dog with across a grassy field." does that mean that "The black dog is female."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: Dog is not necessarily a female because of a pink collar.
The answer is it is not possible to tell.

QUESTION: Can we conclude from "Women dress up and rehearse for a performance." that "Sisters dress up to give their first performance."?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: All women are not sisters and all performances are not necessarily first performances.
The answer is it is not possible to tell.

QUESTION: Premise: "An old man with white hair in a black suit taking a picture."
Based on this premise, can we conclude that the hypothesis "An old man is taking a photo of his newlywed son and daughter-in-law." is true?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly:
The fact that an old man is taking a picture does not tell us that the photo is of his newlywed son and daughter-in-law or of any other subject.
The answer is it is not possible to tell.