Premise: A female violinist surrounded by other violinists.

Hypothesis: A female violinist surrounded by other violinists competing for a prize.
it is not possible to tell

Premise: People fishing off a pier.

Hypothesis: People are fishing.
yes

Premise: Over a dozen people surrounding and taking pictures of two people in all covered head to toe in all silver, in an artistic pose.

Hypothesis: A group of people are skydiving
no

Premise: A girl with blue shorts, a black top, and a purple hat sits in the bottom of a shopping cart in a grocery store.

Hypothesis: A girl is getting ready to pick out something to eat from the grocery store.
it is not possible to tell