Premise: One man checks out a bicycle in a shop while another sits nearby .
Correct statement: It is impossible that an adult shopping for a birthday gift .
Incorrect statement: It is likely that an adult shopping for a birthday gift .
Correct statement: It is almost certain that a man is looking to purchase a new bike .
Incorrect statement: There is little chance that a man is looking to purchase a new bike .
Correct statement: We doubt that the man is wearing shorts .
Incorrect statement: It is certain that the man is wearing shorts .
Correct statement: There is a better than even chance that one man checks out a bicycle with his friend .
Incorrect statement: It is highly unlikely that one man checks out a bicycle with his friend .
Correct statement: It is highly likely that the shop has many varities of bicycles .
Incorrect statement: We doubt that the shop has many varities of bicycles .