context: It is unlikely that Brian is a frog. It is impossible that Mary went to the office. It is likely that John moved to the garden. It is probably not the case that if Mary went to the office, and John moved to the garden, then Jeff dropped the apple. It is unlikely that if John moved to the garden, and Brian is a frog, then Gertrude is a mouse. It is highly unlikely that if Mary went to the office, or Brian is a frog, then Greg is green.
hypothesis: It is probably the case that mary went to the office, and Jeff dropped the apple.
valid_hypothesis: It is impossible that mary went to the office, and Jeff dropped the apple.
invalid_hypothesis: It is probably the case that mary went to the office, and Jeff dropped the apple.
hypothesis_assertion: Mary went to the office, and Jeff dropped the apple.