James creates a trust to hold a piece of real estate he owns. He directs a corporate fiduciary to hold title to the real estate and provides instructions for the management, control, and disposition of the real estate upon his death. Given that the trust only holds real estate, James likely set up a(n) ______ trust.

An assignable trust typically refers to a trust that allows the rights or interests in the trust to be transferred or assigned to another party. This concept does not specifically pertain to real estate and does not accurately describe the function of the trust James created, which is focused solely on managing real estate.

The term "tertiary trust" is not a standard classification in trust law. Trusts are generally categorized in terms of their purpose (e.g., revocable, irrevocable, land) rather than by a numerical system. Therefore, this option does not apply to the context of James's trust, which is explicitly designed for real estate.

A testamentary trust is established through a will and comes into effect only upon the death of the grantor. While James's trust may have instructions for disposition upon his death, its primary function is to manage real estate during his lifetime, making "testamentary" an inaccurate description of the type of trust he created.