Premise & hypothesis: Is the premise "A group of people under the streetlights in the town." true if "A light shining down on a crowd."?
A: yes

Premise & hypothesis: Is the premise "A person in a blue jacket sleeping on a bench." true if "A person is sleeping alone"?
A: it is not possible to tell

Premise & hypothesis: Is the premise "A group of people riding bicycles." true if "The people are walking down the road."?
A: no

Premise & hypothesis: Is the premise "A female singer sings passionately while the back-up guitarist plays in the background." true if "Couple playing songs together"?
A:
it is not possible to tell