Identify Which of the Following Is Not a Device or Remedy

Identify which of the following is not a device or remedy that equity recognises.

A) To grant unmarried couples entitlements to the family home on the death of the partner or relationship breakdown.
B) To make parties perform their obligations under a contract, rather than simply pay for breach of contract.
C) To allow a person to secretly provide for an illegitimate child in their will.
D) To allow the enforcement of moral obligations in law, such as enforcing the relationship of 'trust'