Premise & hypothesis: Is the premise "A boy with a black shirt is skateboarding in a park with graffiti." true if "A girl with a black shirt is skateboarding in a park with graffiti."?
A: no

Premise & hypothesis: Is the premise "Three men sitting near a conference desk with many papers on it." true if "A man is busy working."?
A: it is not possible to tell

Premise & hypothesis: Is the premise "A man working on something underneath a bridge." true if "The bridge has fallen."?
A: it is not possible to tell

Premise & hypothesis: Is the premise "A woman in traditional dress and hat is sitting sideways on a horse." true if "A person is sitting."?
A:
yes