context: It is probably not the case that Greg is a lion. It is likely that Brian is green. It is improbable that Emily is a sheep.
hypothesis: It is likely that either Greg is a lion, or Emily is a sheep.
valid_hypothesis: It is probably not the case that either Greg is a lion, or Emily is a sheep.
invalid_hypothesis: It is likely that either Greg is a lion, or Emily is a sheep.
hypothesis_assertion: Either Greg is a lion, or Emily is a sheep.