context: We believe that Sandra grabbed the milk. There is little chance that Gertrude is a mouse. It is highly likely that Julie is in the kitchen. We believe that if Sandra grabbed the milk, or Julie is in the kitchen, then Yann is tired. It is certain that if Sandra grabbed the milk, and Julie is in the kitchen, then John picked up the apple. There is little chance that if Sandra grabbed the milk, and Julie is in the kitchen, then Greg is a lion.
hypothesis: We believe that john picked up the apple, and Greg is a lion.
valid_hypothesis: It is highly unlikely that john picked up the apple, and Greg is a lion.
invalid_hypothesis: We believe that john picked up the apple, and Greg is a lion.
hypothesis_assertion: John picked up the apple, and Greg is a lion.