Premise: Man with red shoes, white shirt and gray pants climbing.

Hypothesis: Man is swimming in a river.
no

Premise: A group of young ladies with signs are in the street protesting oil spill.

Hypothesis: They are passionate about the cause
it is not possible to tell

Premise: A man with a race number on his shirt running with a little girl in a stroller.

Hypothesis: There is a man running
yes

Premise: Two people sitting at a bar having a conversation.

Hypothesis: There are people communicating.
yes