context: It is impossible that Mary went to the kitchen. It is probably the case that Greg is a lion. It is impossible that Emily is a mouse. It is probable that if either Emily is a mouse, or Greg is a lion, then John picked up the milk. There is little chance that if either Greg is a lion, or Emily is a mouse, then Lily is a lion. It is probable that if Mary went to the kitchen, or Emily is a mouse, then Bernhard is white.
hypothesis: It is improbable that greg is a lion, or Lily is a lion.
valid_hypothesis: It is probably the case that greg is a lion, or Lily is a lion.
invalid_hypothesis: It is improbable that greg is a lion, or Lily is a lion.
hypothesis_assertion: Greg is a lion, or Lily is a lion.