Premise: Two men wearing eyeglasses standing together.

Hypothesis: The two men know each other.
it is not possible to tell

Premise: man and women in a halloween costume having a conversation

Hypothesis: Two people are wearing costumes.
yes

Premise: A white-haired, bearded man stands leans against a low wall next to a red cylinder reading "clearance."

Hypothesis: The white-haired man is reading the sign.
yes

Premise: Two combatants in a rugby stadium making a move on each other, one wearing green with ball and defended by #5 in the maroon colors.

Hypothesis: Two rugby players square off.
yes