context: We believe that Jeff went to the kitchen. It is likely that Fred is in the office. It is probably the case that Greg is a frog. It is probably not the case that if Greg is a frog, or Jeff went to the kitchen, then Sandra grabbed the milk. There is little chance that if Fred is in the office, or Jeff went to the kitchen, then Daniel left the apple. It is unlikely that if Fred is in the office, and Jeff went to the kitchen, then Julius is a rhino.
hypothesis: We believe that sandra grabbed the milk, or Fred is in the office.
valid_hypothesis: We believe that sandra grabbed the milk, or Fred is in the office.
invalid_hypothesis: It is unlikely that sandra grabbed the milk, or Fred is in the office.
hypothesis_assertion: Sandra grabbed the milk, or Fred is in the office.