Premise: A girl climbing a rope wall .
Correct statement: We believe that the girl will reach the top .
Incorrect statement: It is impossible that the girl will reach the top .
Correct statement: Chances are slight that a girl climbs a rope wall for a competition .
Incorrect statement: It is highly likely that a girl climbs a rope wall for a competition .
Correct statement: It is impossible that the wall is made of stone .
Incorrect statement: Chances are about even that the wall is made of stone .
Correct statement: It is impossible that a girl climbs a rope wall as part of an obstacle course for basic training .
Incorrect statement: There is a better than even chance that a girl climbs a rope wall as part of an obstacle course for basic training .
Correct statement: It is improbable that a girl practices climbing to perfect her strategy .
Incorrect statement: It is almost certain that a girl practices climbing to perfect her strategy .