context: There is a very good chance that Mary moved to the garden. We believe that John left the apple. It is highly unlikely that Brian is white. It is probable that if either John left the apple, or Mary moved to the garden, then Daniel is in the office. It is almost certain that if either Mary moved to the garden, or John left the apple, then Julius is a frog. It is likely that if John left the apple, or Mary moved to the garden, then Greg is gray.
hypothesis: It is certain that greg is gray, and Julius is a frog.
valid_hypothesis: It is probably not the case that greg is gray, and Julius is a frog.
invalid_hypothesis: It is certain that greg is gray, and Julius is a frog.
hypothesis_assertion: Greg is gray, and Julius is a frog.