context: There is almost no chance that John moved to the office. It is highly likely that Mary went to the kitchen. It is highly likely that Brian is a rhino.
hypothesis: It is highly likely that either Brian is a rhino, or John moved to the office.
valid_hypothesis: It is highly likely that either Brian is a rhino, or John moved to the office.
invalid_hypothesis: It is improbable that either Brian is a rhino, or John moved to the office.
hypothesis_assertion: Either Brian is a rhino, or John moved to the office.