context: We doubt that Julius is green. Chances are about even that Lily is white. It is highly likely that Brian is a frog. It is probably the case that if Lily is white, or Brian is a frog, then John left the apple. It is highly unlikely that if Julius is green, or Brian is a frog, then Winona is a sheep. It is unlikely that if Brian is a frog, or Lily is white, then Mary moved to the office.
hypothesis: It is highly likely that brian is a frog, and Julius is green.
valid_hypothesis: We doubt that brian is a frog, and Julius is green.
invalid_hypothesis: It is highly likely that brian is a frog, and Julius is green.
hypothesis_assertion: Brian is a frog, and Julius is green.