context: It is probably not the case that Julius is a frog. There is a better than even chance that John moved to the office. It is highly likely that Jessica is a sheep. It is highly likely that if Julius is a frog, or Jessica is a sheep, then Lily is a swan. There is a better than even chance that if either Julius is a frog, or John moved to the office, then Mary is in the office. It is probably the case that if Jessica is a sheep, or John moved to the office, then Greg is white.
hypothesis: It is likely that jessica is a sheep, and Mary is in the office.
valid_hypothesis: It is probably not the case that jessica is a sheep, and Mary is in the office.
invalid_hypothesis: It is likely that jessica is a sheep, and Mary is in the office.
hypothesis_assertion: Jessica is a sheep, and Mary is in the office.