Premise: There is big hill of dirt behind signs that say `` Ramp Closed . ''
Correct statement: It is probably the case that an interstate off-ramp is closed .
Incorrect statement: It is impossible that an interstate off-ramp is closed .
Correct statement: There is a very good chance that a roadway is under construction .
Incorrect statement: It is unlikely that a roadway is under construction .
Correct statement: It is probable that a ramp is being renovated so signs warn oncoming motorists to stay away .
Incorrect statement: It is unlikely that a ramp is being renovated so signs warn oncoming motorists to stay away .
Correct statement: It is improbable that a dirt ramp used for dirt bike racing .
Incorrect statement: It is certain that a dirt ramp used for dirt bike racing .
Correct statement: We doubt that the ramp is closed because the ground is being dug .
Incorrect statement: It is likely that the ramp is closed because the ground is being dug .