Anchor: retention period established for audit documentation and is safeguarded through sound computer security.
Entailed: Retention period is guarded through computer security.
Contradiction: The computer security was not established through audit documentation.
Contradiction: The tracks have no horse races in the winter.
Contradiction: Two people are talking to each other.
Contradiction: The man is in a kitchen
Contradiction: Incorrect, he is in the field of international studies.