Premise: People on the beach look up to the sky to see a large heart written in the air by the contrail of a plane .
Correct statement: We believe that the people on the beach think the moment is precious .
Incorrect statement: There is almost no chance that the people on the beach think the moment is precious .
Correct statement: Chances are about even that a man proposed to his girlfriend with the help of a plane .
Incorrect statement: It is certain that a man proposed to his girlfriend with the help of a plane .
Correct statement: There is a better than even chance that someone at the beach paid to have the heart written by a plane for his girlfriend .
Incorrect statement: It is improbable that someone at the beach paid to have the heart written by a plane for his girlfriend .
Correct statement: It is probably not the case that a man plans to propose under a skywritten heart .
Incorrect statement: We believe that a man plans to propose under a skywritten heart .
Correct statement: It is certain that people watch as a plane leaves a message in the sky
Incorrect statement: We doubt that people watch as a plane leaves a message in the sky