Premise & hypothesis: Is the premise "a boy smiles underwater." true if "The boy is swimming"?
A: yes

Premise & hypothesis: Is the premise "An older woman hand washing her laundry in big bins in the street in front of her home." true if "An older person is washing clothes somewhere."?
A: it is not possible to tell

Premise & hypothesis: Is the premise "A man in a hard hat moves around a lot behind a fence." true if "A man working on a construction site."?
A: it is not possible to tell

Premise & hypothesis: Is the premise "Several people gathered around a fish market." true if "The people are looking at food."?
A:
yes