context: It is probably the case that Lily is a swan. It is likely that Bill went to the kitchen. It is highly unlikely that Greg is gray.
hypothesis: It is probably the case that greg is gray, or Bill went to the kitchen.
valid_hypothesis: It is probably the case that greg is gray, or Bill went to the kitchen.
invalid_hypothesis: There is almost no chance that greg is gray, or Bill went to the kitchen.
hypothesis_assertion: Greg is gray, or Bill went to the kitchen.