context: There is a very good chance that Greg is a rhino. There is little chance that Julius is a swan. It is likely that Fred went to the garden. It is improbable that if Greg is a rhino, and Julius is a swan, then John dropped the apple. It is impossible that if either Julius is a swan, or Fred went to the garden, then Mary moved to the office. It is highly likely that if Julius is a swan, and Fred went to the garden, then Bill is in the kitchen.
hypothesis: It is almost certain that bill is in the kitchen, and Greg is a rhino.
valid_hypothesis: It is highly unlikely that bill is in the kitchen, and Greg is a rhino.
invalid_hypothesis: It is almost certain that bill is in the kitchen, and Greg is a rhino.
hypothesis_assertion: Bill is in the kitchen, and Greg is a rhino.