context: We believe that Julius is a rhino. Chances are slight that Greg is a frog. It is highly unlikely that Bill left the milk.
hypothesis: We doubt that greg is a frog, or Julius is a rhino.
valid_hypothesis: There is a very good chance that greg is a frog, or Julius is a rhino.
invalid_hypothesis: We doubt that greg is a frog, or Julius is a rhino.
hypothesis_assertion: Greg is a frog, or Julius is a rhino.