context: Three women and one man are sitting on a ledge facing away towards a large window.
hypothesis: Chances are about even that a group of people are on a balcony.
valid_hypothesis: Chances are about even that a group of people are on a balcony.
invalid_hypothesis: There is almost no chance that a group of people are on a balcony.
hypothesis_assertion: A group of people are on a balcony.