Premise: A flying machine with a yellow sail is landing with industrial buildings in the background .
Correct statement: It is highly likely that there 's a flying machine preparing to land on an airstrip .
Incorrect statement: We doubt that there 's a flying machine preparing to land on an airstrip .
Correct statement: It is highly unlikely that the flying machine returns to the landing pad after delivering boxes to customers .
Incorrect statement: It is likely that the flying machine returns to the landing pad after delivering boxes to customers .
Correct statement: Chances are slight that the machine is alien
Incorrect statement: It is likely that the machine is alien
Correct statement: We believe that the sail is expensive .
Incorrect statement: Chances are slight that the sail is expensive .
Correct statement: We believe that the machine is not gas-operated .
Incorrect statement: There is little chance that the machine is not gas-operated .