context: It is certain that Winona is a sheep. It is certain that Mary went to the school. It is likely that John moved to the office.
hypothesis: It is certain that winona is a sheep, and Mary went to the school.
valid_hypothesis: It is certain that winona is a sheep, and Mary went to the school.
invalid_hypothesis: It is unlikely that winona is a sheep, and Mary went to the school.
hypothesis_assertion: Winona is a sheep, and Mary went to the school.