Premise: Rafters in a blue raft battle the river-rapids
Correct statement: It is probably not the case that the people in the blue raft are seasoned veterans .
Incorrect statement: It is probably the case that the people in the blue raft are seasoned veterans .
Correct statement: We believe that rafters in a blue raft battle rapids in a rocky river
Incorrect statement: There is little chance that rafters in a blue raft battle rapids in a rocky river
Correct statement: We believe that rafters are having a hard time against the rapids
Incorrect statement: We doubt that rafters are having a hard time against the rapids
Correct statement: Chances are about even that there are a group of rafters wearing blue and orange vests battling against the rapids in a blue raft .
Incorrect statement: There is almost no chance that there are a group of rafters wearing blue and orange vests battling against the rapids in a blue raft .
Correct statement: Chances are about even that a guide leads rafters around a river .
Incorrect statement: It is certain that a guide leads rafters around a river .