context: It is probably not the case that Greg is a frog. It is likely that John put down the apple. Chances are slight that Mary moved to the office. It is improbable that if Greg is a frog, and John put down the apple, then Bernhard is green. Chances are slight that if Mary moved to the office, and John put down the apple, then Daniel grabbed the apple. There is almost no chance that if Greg is a frog, and John put down the apple, then Emily is a wolf.
hypothesis: It is probably not the case that either Greg is a frog, or Mary moved to the office.
valid_hypothesis: It is probably not the case that either Greg is a frog, or Mary moved to the office.
invalid_hypothesis: It is probable that either Greg is a frog, or Mary moved to the office.
hypothesis_assertion: Either Greg is a frog, or Mary moved to the office.