context: It is likely that Bernhard is a lion. There is a better than even chance that Greg is green. There is almost no chance that Emily is a cat. It is certain that if either Emily is a cat, or Bernhard is a lion, then Jeff went to the office. It is highly likely that if Bernhard is a lion, or Greg is green, then Lily is white. It is likely that if Bernhard is a lion, and Greg is green, then Sandra grabbed the milk.
hypothesis: It is probably not the case that either Sandra grabbed the milk, or Emily is a cat.
valid_hypothesis: It is probably not the case that either Sandra grabbed the milk, or Emily is a cat.
invalid_hypothesis: It is likely that either Sandra grabbed the milk, or Emily is a cat.
hypothesis_assertion: Either Sandra grabbed the milk, or Emily is a cat.