context: There is a very good chance that Bill dropped the apple. It is improbable that Greg is a rhino. It is likely that John went to the office.
hypothesis: We believe that greg is a rhino, or John went to the office.
valid_hypothesis: We believe that greg is a rhino, or John went to the office.
invalid_hypothesis: It is improbable that greg is a rhino, or John went to the office.
hypothesis_assertion: Greg is a rhino, or John went to the office.