context: Two people are riding at once on one single bicycle.
hypothesis: It is probably the case that two people riding on a bicyle down a small dirt road.
valid_hypothesis: Chances are slight that two people riding on a bicyle down a small dirt road.
invalid_hypothesis: It is probably the case that two people riding on a bicyle down a small dirt road.
hypothesis_assertion: Two people riding on a bicyle down a small dirt road.