context: Chances are slight that John moved to the garden. There is almost no chance that Brian is yellow. Chances are slight that Emily is a cat.
hypothesis: There is little chance that either Emily is a cat, or Brian is yellow.
valid_hypothesis: There is little chance that either Emily is a cat, or Brian is yellow.
invalid_hypothesis: It is probably the case that either Emily is a cat, or Brian is yellow.
hypothesis_assertion: Either Emily is a cat, or Brian is yellow.