Premise: The pole has two pedestrian signs bolted to it.

Hypothesis: The pole has no signs.
no

Premise: A blond little boy smiling inside a car and wearing an Elmo shirt.

Hypothesis: A boy is waiting for his mom to return
it is not possible to tell

Premise: A hockey player wearing a gold and white jersey getting ready to shoot the puck against two players wearing gold and black jerseys in a ice hockey arena.

Hypothesis: The hockey players are playing on grass.
no

Premise: A dog is running while catching a tennis ball in its mouth.

Hypothesis: The dog is eating his dinner.
no