Premise: A native girl showing a slingshot to the camera.

Hypothesis: The slingshot is aimed at the camera.
it is not possible to tell

Premise: A woman in a white shirt is ironing clothes in a bedroom.

Hypothesis: The lady is removing clothes from the washer.
no

Premise: A man in a white shirt is reading a newspaper.

Hypothesis: A man in a white shirt and khakis is reading.
it is not possible to tell

Premise: Two men with curling brushes are on an ice rink next to a curling rock, with a man in a red jacket nearby, and three other people in the background.

Hypothesis: people are curling
yes