context: It is unlikely that Sandra got the apple. There is a better than even chance that Julius is a lion. It is highly unlikely that Brian is a frog. It is improbable that if either Sandra got the apple, or Julius is a lion, then Mary moved to the garden. We believe that if either Sandra got the apple, or Brian is a frog, then John went to the office. It is probably the case that if Julius is a lion, or Sandra got the apple, then Lily is a lion.
hypothesis: It is unlikely that brian is a frog, or John went to the office.
valid_hypothesis: It is unlikely that brian is a frog, or John went to the office.
invalid_hypothesis: We believe that brian is a frog, or John went to the office.
hypothesis_assertion: Brian is a frog, or John went to the office.