Premise & hypothesis: Is the premise "A man in a cowboy hat rides a bull at a rodeo." true if "A man is riding a bull and falls off."?
A: it is not possible to tell

Premise & hypothesis: Is the premise "Librarian in black and a library patron in white thumb through a book." true if "The library patrons are studying ancient Greek."?
A: it is not possible to tell

Premise & hypothesis: Is the premise "A man wears a burlap mask with black stitching." true if "A mask is being worn."?
A: yes

Premise & hypothesis: Is the premise "A group of people are standing and walking around, while one woman squats." true if "One woman doing jumping jacks."?
A:
no