Premise: The man, only visible as a black silhouette, took a picture along a brightly colored wall full of graffiti.

Hypothesis: A man painting a wall
it is not possible to tell

Premise: Five people are standing in front of a wall overlooking a large body of water while they are holding musical instruments over their left shoulder and over their backs.

Hypothesis: The men are waiting to start an outdoor music festival.
it is not possible to tell

Premise: A group of people dressed in very colorful authentic costumes make conversation.

Hypothesis: A group of people dressed in dour clothing stand silently.
no

Premise: The people in the red parasail are gliding over the water.

Hypothesis: the people are in a race
it is not possible to tell