As set forth in the Texas Real Estate License Act, which statement is the definition of the term "real estate": O a. "Real estate" is any estate in land located in Texas: O b. "Real estate" is a leasehold, as well as any other interest in land, corporeal or incorporeal, freehold, Texas or anywhere else . "Real estate" is corporeal property only O d. Real estate" is such property that is capable of being inherited