Premise: "A crowd of men and women sitting and standing by a we are demanding sign."
Hypothesis: "The people are all men."
Do we know that the hypothesis entailed by the premise?

no
Explanation: They cannot be all men if they are men and women..

Test for natural language inference.
Premise: "A man dressed in dark clothing with a white undershirt sings into a microphone outdoors."
Hypothesis: "A man is shaving his face outdoors."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

no
Explanation: A man cannot be shaving his face while singing into a microphone..

Can we conclude from "Many people are hanging out by the bicycle racks." that "A group of murderers nowhere near bike racks."?
Options:
- yes
- no
- it is not possible to tell

no
Explanation: The murderers cannot be hanging out by the bicycle racks and be nowhere near the bike racks at the same time..

Premise: "Two people are riding their bikes on a country road as the sun is rising."
Hypothesis: "Two people are dancing in the street."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
no
Explanation: They cannot be dancing if they are riding their bikes because you would need to be standing and free to move for the dance..