Premise: A stocky gentleman wearing a long-sleeve , blue shirt , black slacks , aged , black boots and a blue billed cap is scaling a roof , using the structure 's struts to approach stacks of tiles stored at the roof 's apex .
Correct statement: It is impossible that a man uses struts and other people to fix a roof .
Incorrect statement: It is probably the case that a man uses struts and other people to fix a roof .
Correct statement: It is improbable that a carpenter working to patch a hole in a roof .
Incorrect statement: It is likely that a carpenter working to patch a hole in a roof .
Correct statement: It is impossible that a burglar climbs a building to rid it of valuables .
Incorrect statement: It is probable that a burglar climbs a building to rid it of valuables .
Correct statement: There is a better than even chance that the man is checking to see if he has enough tiles to fix the roof .
Incorrect statement: It is highly unlikely that the man is checking to see if he has enough tiles to fix the roof .
Correct statement: It is almost certain that the man is a roofer .
Incorrect statement: We doubt that the man is a roofer .