context: It is impossible that Emily is a mouse. We doubt that Lily is a frog. It is impossible that Mary discarded the milk.
hypothesis: It is certain that either Lily is a frog, or Emily is a mouse.
valid_hypothesis: It is unlikely that either Lily is a frog, or Emily is a mouse.
invalid_hypothesis: It is certain that either Lily is a frog, or Emily is a mouse.
hypothesis_assertion: Either Lily is a frog, or Emily is a mouse.