Premise: A man wearing glasses plays a large brass instrument

Hypothesis: The instrument is rusty.
it is not possible to tell

Premise: A baby boy picks at his hair, while holding a red and yellow ball.

Hypothesis: A sad boy picks at his hair, while holding a red and yello
it is not possible to tell

Premise: three young guys working in a dark room.

Hypothesis: A cat is sleeping.
no

Premise: Two swimmers competing in swim competition.

Hypothesis: An audience is watching the swimmers compete.
it is not possible to tell