QUESTION: Given the sentence "A man takes a picture of a sign." is it true that "There is a sign."?

Let's solve it slowly: If a man takes a picture of the sign then the sign is there.
The answer is yes.

[QUESTION] If "A white male is wearing jean coat and pant while welding without eye protection." does that mean that "A person is using machinery without anything covering their eyes."?
Options:
- yes
- it is not possible to tell
- no
A male is a person and without anything covering their eyes means that the man is without eye protection.
The answer is yes.

Q: Premise: "An older man is looking at a woman in a yellow shirt while they sit on benches in front of a stone and plaster wall."
Hypothesis: "A father and daughter enjoying a nice day."
Do we know that the hypothesis entailed by the premise?
A: They may be a father and daughter or they may be strangers.
The answer is it is not possible to tell.

QUESTION: Can we conclude from "Two young women are walking and having a conversation." that "The women are walking to a friend's house."?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: Although they are walking it does not imply they are going to a friend's house.
The answer is it is not possible to tell.

[QUESTION] Test for natural language inference.
Premise: "Elderly people performing music in a street."
Hypothesis: "The elders are performing a mime show in the retirement home."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
It cannot be music in the street and a mime show in the retirement home simultaneously.
The answer is no.

Q: Given the sentence "A group of motorcycles and scooters are parked together in a lot in the middle of a street." is it true that "The scooters are parked in front of the motorcycles."?
A:
Just because the scooters and motorcycles are parked together doesn't mean the scooters are parked in front of the motorcycles.
The answer is it is not possible to tell.