context: There is almost no chance that John picked up the apple. We doubt that Greg is green. It is probable that Lily is a lion. It is likely that if either John picked up the apple, or Lily is a lion, then Emily is a mouse. There is little chance that if Lily is a lion, and John picked up the apple, then Mary went to the office. It is improbable that if either Greg is green, or Lily is a lion, then Sandra put down the milk.
hypothesis: It is highly unlikely that sandra put down the milk, and Lily is a lion.
valid_hypothesis: It is highly unlikely that sandra put down the milk, and Lily is a lion.
invalid_hypothesis: It is probably the case that sandra put down the milk, and Lily is a lion.
hypothesis_assertion: Sandra put down the milk, and Lily is a lion.