context: There is a better than even chance that Fred dropped the apple. There is a better than even chance that Sandra left the milk. Chances are slight that Julius is a lion.
hypothesis: There is a better than even chance that either Julius is a lion, or Sandra left the milk.
valid_hypothesis: There is a better than even chance that either Julius is a lion, or Sandra left the milk.
invalid_hypothesis: It is improbable that either Julius is a lion, or Sandra left the milk.
hypothesis_assertion: Either Julius is a lion, or Sandra left the milk.