Premise: A guy holding onto a tight fishing pole while on a boat fishing.

Hypothesis: A guy is on a boat
it is not possible to tell

Premise: A group of four young men, who appear to be students, walk away from a bus stop in a school zone.

Hypothesis: A group of students are riding on a bus.
no

Premise: An elderly woman with white hair and glasses is next to a window and in front of an open cash register drawer.

Hypothesis: The woman running a marathon.
no

Premise: An overweight man and woman are sitting in an outdoor windowsill.

Hypothesis: A skinny man is sitting with a fat woman.
no