Explanation:

- Option 1: Enforceable

- This means a contract can be legally forced or upheld in court. It is valid when all elements like offer, acceptance, and consideration are present.

- Option 2: Valid

- A valid contract is legally binding with all the necessary legal elements present.

- Option 3: Void

- A void contract is not legally enforceable. It lacks the fundamental elements of a contract or involves illegal activities.

- Marriage brokerage contracts are generally considered void as they involve unethical practices.

- Correct Answer: Option 3

- Option 4: Voidable

- A voidable contract is valid but can be declared void by one party due to specific circumstances like misrepresentation or duress.