Premise & hypothesis: Is the premise "A tall light and reflector with a man sitting on a tall ladder." true if "The man is fixing something."?
A: it is not possible to tell

Premise & hypothesis: Is the premise "A boy band singing a song on stage." true if "A band singing a song."?
A: yes

Premise & hypothesis: Is the premise "Two ladies in tank tops are singing into a microphone, they both have dark hair and one is white and the other African American." true if "Two men are singing a duet to their parents."?
A: no

Premise & hypothesis: Is the premise "A professor is giving a lecture to students in a classroom." true if "The classroom is empty."?
A:
no