context: Chances are slight that Gertrude is a sheep. It is highly unlikely that Lily is a swan. It is almost certain that Bernhard is a lion. It is likely that if Lily is a swan, or Bernhard is a lion, then Antoine is hungry. It is certain that if Gertrude is a sheep, and Lily is a swan, then Greg is a frog. It is likely that if either Bernhard is a lion, or Lily is a swan, then Mary went to the garden.
hypothesis: It is probably the case that bernhard is a lion, and Antoine is hungry.
valid_hypothesis: It is probably the case that bernhard is a lion, and Antoine is hungry.
invalid_hypothesis: There is almost no chance that bernhard is a lion, and Antoine is hungry.
hypothesis_assertion: Bernhard is a lion, and Antoine is hungry.