Premise: A young man in shorts lounging on a brick wall in a park.

Hypothesis: Someone has their arms crossed.
it is not possible to tell

Premise: A person setting beef patties on a grill.

Hypothesis: A man is grilling beef.
it is not possible to tell

Premise: four goth looking people walking down a street with trees in the background

Hypothesis: Four people walk down a street.
yes

Premise: A man dressed in safety gear and a hood is using a grinder on a piece of metal.

Hypothesis: A woman dressed in an apron is grinding oranges.
no