[Q] Premise: "A worker is cleaning the floor of a big outdoor fountain."
Hypothesis: "A person is washing some public art."
Do we know that the hypothesis entailed by the premise?
[A] The fact that a worker is cleaning the floor of an outdoor fountain doesn't imply washing some public art.
The answer is it is not possible to tell.

[Q] Given the sentence "Someone staring down at a mess on the ground." can we conclude that "A man is staring at a mess."?
Options:
- yes
- it is not possible to tell
- no
[A] Someone staring down at a mess on the ground does not imply the person is a man.
The answer is it is not possible to tell.

[Q] Premise: "Couple kissing outside on street."
Hypothesis: "A couple is fighting in their house."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
[A] One who is kissing is not also fighting just as they cannot be both outside and in their house at the same time.
The answer is no.