QUESTION: Test for natural language inference.
Premise: "A black-haired man with glasses and a brown jacket is walking down an urban street."
Hypothesis: "A man trying to get through a crowd."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: A black-haired man with glasses and a brown jacket is walking down an urban street does not necessary that he is trying to get through a crowd.
The answer is it is not possible to tell.

QUESTION: Premise: "A man wearing a blue shirt and tan pants crossing the street."
Hypothesis: "A man crosses street."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: A man crosses street is almost the same as a man crossing the street.
The answer is yes.

QUESTION: Can we conclude from "Two kids playing on a pebble beach by the water." that "Two kids were playing by the water."?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly:
Were playing is a past tense while playing is used in a present tense.
The answer is it is not possible to tell.