Premise & hypothesis: Is the premise "A local college using its first projection to help demonstrate the effectiveness of marketing in classrooms." true if "The class is taking place in the past when projectors were a novel concept."?
A: it is not possible to tell

Premise & hypothesis: Is the premise "A group of downhill skateboards going down a hill." true if "The skateboarders are wearing helmets."?
A: it is not possible to tell

Premise & hypothesis: Is the premise "A young girl and boy in swimsuits happily play in the sand on a beach." true if "Children play in the snow."?
A: no

Premise & hypothesis: Is the premise "A person in a plaid shirt is laying on the ground taking a picture of a backpack which reads "vespa"." true if "Someone is taking a picture of a backpack."?
A:
yes