Text: In 1974, after a series of heated and embarrassingly public quarrels on the topic, the APA decided to resolve the question of whether or not homosexuality should be called a mental disorder by means of a ballot mailed out to its members.
Entailment: Members of the APA were mailed a ballot to decide if homosexuality should be defined as a mental disorder.
Contradiction: The APA didn't make any action to resolve the issue of homosexuality being a mental disorder until the late 1980's.