Premise & hypothesis: Is the premise "A group of people showing pride for their country" true if "People being patriotic."?
A: yes

Premise & hypothesis: Is the premise "a lone bicyclist wearing a helmet jumping a graffitied concrete ramp." true if "The bicyclist was wearing a helmut."?
A: it is not possible to tell

Premise & hypothesis: Is the premise "Young man plays a harmonium while barefoot." true if "A man in boot plays the trombone."?
A: no

Premise & hypothesis: Is the premise "Several people are rowing a boat while being cheered on by a person with a drum" true if "Several people are rowing a boat in the river."?
A:
it is not possible to tell