context: There is little chance that Greg is a swan. It is almost certain that Mary went to the kitchen. There is a better than even chance that Bernhard is green. There is little chance that if Mary went to the kitchen, and Greg is a swan, then John left the milk. It is probably not the case that if either Greg is a swan, or Bernhard is green, then Sandra got the apple. There is little chance that if either Mary went to the kitchen, or Bernhard is green, then Lily is a lion.
hypothesis: It is improbable that lily is a lion, or Bernhard is green.
valid_hypothesis: There is a better than even chance that lily is a lion, or Bernhard is green.
invalid_hypothesis: It is improbable that lily is a lion, or Bernhard is green.
hypothesis_assertion: Lily is a lion, or Bernhard is green.