context: It is probably not the case that Lily is a lion. It is impossible that Daniel is in the garden. It is probable that John moved to the office. Chances are about even that if John moved to the office, or Lily is a lion, then Julius is a frog. It is unlikely that if John moved to the office, or Daniel is in the garden, then Mary discarded the milk. There is a better than even chance that if Daniel is in the garden, or Lily is a lion, then Antoine is bored.
hypothesis: It is likely that either Daniel is in the garden, or John moved to the office.
valid_hypothesis: It is likely that either Daniel is in the garden, or John moved to the office.
invalid_hypothesis: There is little chance that either Daniel is in the garden, or John moved to the office.
hypothesis_assertion: Either Daniel is in the garden, or John moved to the office.