Premise: The sign indicates a marker for The Arlington Line .
Correct statement: There is a better than even chance that the sign is at a train station .
Incorrect statement: It is improbable that the sign is at a train station .
Correct statement: There is a very good chance that the sign shows the way to Arlington
Incorrect statement: There is little chance that the sign shows the way to Arlington
Correct statement: It is highly unlikely that the sign notes a historical fact .
Incorrect statement: It is probably the case that the sign notes a historical fact .
Correct statement: We believe that this sign marks a special location .
Incorrect statement: There is almost no chance that this sign marks a special location .
Correct statement: It is impossible that a bird sits on the sign .
Incorrect statement: It is likely that a bird sits on the sign .