context: It is probable that Julius is a swan. It is almost certain that Daniel took the football. Chances are slight that Lily is a frog. It is likely that if either Julius is a swan, or Lily is a frog, then Mary dropped the apple. It is probable that if Julius is a swan, or Daniel took the football, then John went to the garden. It is probable that if either Julius is a swan, or Daniel took the football, then Brian is a lion.
hypothesis: It is unlikely that mary dropped the apple, or Daniel took the football.
valid_hypothesis: It is almost certain that mary dropped the apple, or Daniel took the football.
invalid_hypothesis: It is unlikely that mary dropped the apple, or Daniel took the football.
hypothesis_assertion: Mary dropped the apple, or Daniel took the football.