Here is the situation:
- Person A asks a question.
- Person B answers the question.
- Person A downvotes Person B's answer (unjustly, perhaps.)
- Person B (or perhaps a third Person C) downvotes Person A's question and posts a comment saying something along the lines of "I will lift my downvote on your question if you lift your downvote on the answer."
Is the taking of votes as hostages in this manner against the rules? If so, what is the appropriate action for Person A to take?