context: It is probably the case that John got the football. It is improbable that Bill is in the kitchen. It is highly likely that Greg is a frog. It is probably not the case that if either John got the football, or Greg is a frog, then Bernhard is white. Chances are slight that if either Greg is a frog, or Bill is in the kitchen, then Mary went to the kitchen. There is a very good chance that if Greg is a frog, and John got the football, then Lily is a frog.
hypothesis: It is almost certain that bill is in the kitchen, and Greg is a frog.
valid_hypothesis: Chances are slight that bill is in the kitchen, and Greg is a frog.
invalid_hypothesis: It is almost certain that bill is in the kitchen, and Greg is a frog.
hypothesis_assertion: Bill is in the kitchen, and Greg is a frog.