Premise & hypothesis: Is the premise "A man is grinding his skateboard on a guard rail." true if "The man is grinding his skateboard on a park bench.4"?
A: no

Premise & hypothesis: Is the premise "Some adults and children together under a grass hut." true if "People are gathered together under a roof."?
A: yes

Premise & hypothesis: Is the premise "A man and a child stand next to a blue and black tube." true if "The man and child are sitting at a picnic table."?
A: no

Premise & hypothesis: Is the premise "A group of people wearing red shirts are sitting on a stone bench." true if "The bench is grey."?
A:
it is not possible to tell