Premise: A young women running in a marathon

Hypothesis: A woman is running in the Boston Marathon.
it is not possible to tell

Premise: A young man stands on a roof.

Hypothesis: A person on a roof.
yes

Premise: A man in light blue shirt is drinking a beer.

Hypothesis: A man is drinking a glass of Chardonnay.
no

Premise: Older man in full denim welds metal on workbench.

Hypothesis: Older man watches Youtube.
no