Only people who are willing to compromise should undergo mediation to resolve their conflicts. Actual litigation should be pursued only when one is sure that one' s position is correct. People whose conflicts are based on ideology are unwilling to compromise. If the statements above are true, then which one of the following must be true? ['People whose conflicts are not based on ideology should attempt to resolve their conflicts by means of litigation.', 'People whose conflicts are based on ideology are not people who should undergo mediation to resolve their conflicts.', 'People whose conflicts are based on ideology are not always sure that their positions are correct.', 'People who are sure of the correctness of their positions are not people who should undergo mediation to resolve their conflicts.']