Premise & hypothesis: Is the premise "Avid bikers riding indoors." true if "An indoor motocross race takes place."?
A: it is not possible to tell

Premise & hypothesis: Is the premise "A man waring a polo shirt fixes a ticket machine while persons line up at an adjoining machine." true if "A man wearing a polo shirt doesn't care about fixing the ticket machine."?
A: no

Premise & hypothesis: Is the premise "Two men playing rugby collide." true if "The men are wearing grey uniforms."?
A: it is not possible to tell

Premise & hypothesis: Is the premise "Two shirtless men balance on scaffolding." true if "Two shirtless men building a house."?
A:
it is not possible to tell