context: There is a very good chance that Lily is white. It is impossible that Sandra dropped the apple. It is likely that John went to the garden. There is a very good chance that if John went to the garden, or Lily is white, then Julius is a frog. It is impossible that if either Lily is white, or Sandra dropped the apple, then Fred moved to the office. Chances are about even that if either Sandra dropped the apple, or Lily is white, then Mary got the football.
hypothesis: It is improbable that julius is a frog, or Fred moved to the office.
valid_hypothesis: We believe that julius is a frog, or Fred moved to the office.
invalid_hypothesis: It is improbable that julius is a frog, or Fred moved to the office.
hypothesis_assertion: Julius is a frog, or Fred moved to the office.