context: A black dog is running through a marsh-like area.
hypothesis: There is almost no chance that a dog is chasing a dragonfly through the marsh.
valid_hypothesis: There is almost no chance that a dog is chasing a dragonfly through the marsh.
invalid_hypothesis: It is probably the case that a dog is chasing a dragonfly through the marsh.
hypothesis_assertion: A dog is chasing a dragonfly through the marsh.