Premise: A man in a sweatshirt places a garbage bag over a mailbox.

Hypothesis: The man wearing a garbage bag places a sweatshirt over a mailbox.
Relation: contradiction

Hypothesis: A man in a sweatshirt places a garbage bag over a mailbox to prevent the mail from getting wet.
Relation: neutral

Hypothesis: A sweatshirt wearing man is placing a garbage bage over a mailbox.
Relation: entailment