context: There is almost no chance that Jeff went to the kitchen. There is almost no chance that Bernhard is a lion. Chances are slight that Mary moved to the office. There is almost no chance that if Bernhard is a lion, or Mary moved to the office, then Emily is a sheep. It is highly unlikely that if Jeff went to the kitchen, and Mary moved to the office, then Julius is a frog. There is little chance that if either Bernhard is a lion, or Jeff went to the kitchen, then Gertrude is a mouse.
hypothesis: It is impossible that emily is a sheep, and Bernhard is a lion.
valid_hypothesis: It is impossible that emily is a sheep, and Bernhard is a lion.
invalid_hypothesis: It is likely that emily is a sheep, and Bernhard is a lion.
hypothesis_assertion: Emily is a sheep, and Bernhard is a lion.