context: Four people stand next to some bikes while one of them points.
hypothesis: There is almost no chance that four people are standing and one of them is pointing at an airplane in the sky.
valid_hypothesis: There is almost no chance that four people are standing and one of them is pointing at an airplane in the sky.
invalid_hypothesis: There is a better than even chance that four people are standing and one of them is pointing at an airplane in the sky.
hypothesis_assertion: Four people are standing and one of them is pointing at an airplane in the sky.