context: It is improbable that Gertrude is a sheep. It is probable that Julius is a frog. There is a very good chance that Mary went to the garden.
hypothesis: It is probably the case that either Julius is a frog, or Gertrude is a sheep.
valid_hypothesis: It is probably the case that either Julius is a frog, or Gertrude is a sheep.
invalid_hypothesis: It is improbable that either Julius is a frog, or Gertrude is a sheep.
hypothesis_assertion: Either Julius is a frog, or Gertrude is a sheep.