Premise: Two men are singing and playing guitars outside a cement structure with spectators sitting on steps on their left .
Correct statement: It is likely that two street performers sing while people watch .
Incorrect statement: It is probably not the case that two street performers sing while people watch .
Correct statement: Chances are slight that two men are singing and playing guitars to raise money for charity .
Incorrect statement: There is a very good chance that two men are singing and playing guitars to raise money for charity .
Correct statement: There is a better than even chance that two men are singing and playing guitars with spectators sitting on steps on their left clapping along .
Incorrect statement: Chances are slight that two men are singing and playing guitars with spectators sitting on steps on their left clapping along .
Correct statement: It is highly unlikely that they are performing outside a government building as a protest .
Incorrect statement: Chances are about even that they are performing outside a government building as a protest .
Correct statement: It is improbable that tall people singing .
Incorrect statement: It is almost certain that tall people singing .