Premise: A boy in a green t-shirt and orange pants is using chalk to draw on the sidewalk as a younger boy in a yellow t-shirt looks on.

Hypothesis: A kid draws on a wall while no one watches.
Relation: contradiction

Hypothesis: A kid draws with sidewalk chalk while another one watches.
Relation: entailment

Hypothesis: A kid draws a colorful picture while another one watches.
Relation: neutral