Premise: A man in a plaid shirt with a laptop in his lap is sitting next to a table with a microscope and a circuit board on it .
Correct statement: There is a better than even chance that a man is conducting an experiment at his desk .
Incorrect statement: It is impossible that a man is conducting an experiment at his desk .
Correct statement: It is impossible that a man with a laptop and a microscope is studying a disease .
Incorrect statement: Chances are about even that a man with a laptop and a microscope is studying a disease .
Correct statement: There is a better than even chance that a scientist at work
Incorrect statement: Chances are slight that a scientist at work
Correct statement: There is a very good chance that the man sits near the table because he 's using the microscope .
Incorrect statement: We doubt that the man sits near the table because he 's using the microscope .
Correct statement: There is a better than even chance that a man has a clean plaid shirt .
Incorrect statement: There is almost no chance that a man has a clean plaid shirt .