Premise: Ladder against a tree and rope harness being set up by a camp leader in front of campers .
Correct statement: It is impossible that ladder against a tree and rope harness being set up by a camp leader to cut down a tree .
Incorrect statement: It is probable that ladder against a tree and rope harness being set up by a camp leader to cut down a tree .
Correct statement: We believe that camp leader is showing campers how to set up a ladder
Incorrect statement: It is impossible that camp leader is showing campers how to set up a ladder
Correct statement: There is little chance that the people are bored
Incorrect statement: It is probably the case that the people are bored
Correct statement: It is highly likely that a camp leader is teaching his campers .
Incorrect statement: It is improbable that a camp leader is teaching his campers .
Correct statement: It is highly likely that the camp leader plans an activity for the campers .
Incorrect statement: It is highly unlikely that the camp leader plans an activity for the campers .