Premise: A yellow taxi cab with a sign reading "MAMA MIA!" on it, and a guy sitting in the back.

Hypothesis: A man is uncomfortable with the fact that the taxi has a MAMA MIA sign on it
it is not possible to tell

Premise: Man in action over a wave

Hypothesis: A man in the water
yes

Premise: Three men wearing brightly colored costumes take to the streets with wigs and crazy sunglasses.

Hypothesis: Three men wearing colored costumes take to the streets.
yes

Premise: Two girls and a guy walk by large advertisement of man with no shirt on.

Hypothesis: Three boys are sleeping in beds.
no