Greg was the owner of a large tract of land called Blueacre. He conveyed the land by deed "to my son, Bobby for life, then to my son's oldest surviving child and his heirs." At the time of this conveyance, Bobby had no children. Based on the foregoing, which is of the following answers applies? a. Bobby has a life estate, there is a contingent remainder in Bobby's oldest child who survives Bobby in fee simple absolute, and Greg has a reversion in fee simple absolute. b. Bobby has a life estate, there is a vested remainder in Bobby's oldest child who survives Bobby in fee simple absolute, and Greg has a reversion in fee simple absolute. c. Bobby has a life estate, and Greg has a reversion in fee simple absolute. d. Bobby has a life estate, Greg has a reversion in fee simple subject executory limitation, and Bobby's oldest child who survives Bobby has a springing executory interest in fee simple absolute