Premise: Five men on ladders cleaning the outside of a building .
Correct statement: There is little chance that the men are using a steam hose .
Incorrect statement: It is probably the case that the men are using a steam hose .
Correct statement: It is certain that some men are cleaning a building .
Incorrect statement: It is highly unlikely that some men are cleaning a building .
Correct statement: We believe that the men are washing the windows .
Incorrect statement: It is impossible that the men are washing the windows .
Correct statement: Chances are about even that the men are using mops to clean the building .
Incorrect statement: It is almost certain that the men are using mops to clean the building .
Correct statement: Chances are about even that five day laborers precariously clean the outside of a huge building .
Incorrect statement: It is certain that five day laborers precariously clean the outside of a huge building .