(1) Spouse A exchanges a policy insuring only Spouse A’s life for a policy that insures the lives of both Spouse A and Spouse B;
(2) Spouse A exchanges two life insurance policies, one of which insures Spouse A and the other of which insures Spouse B, for a single second-to-die policy insuring the lives of both Spouse A and Spouse B;
(3) Spouse A and Spouse B jointly exchange separate policies each of which insures the life of one spouse for a single jointly-owned second-to-die policy that insures the lives of both Spouse A and Spouse B;
(4) A trust owns and exchanges a policy insuring the life of Spouse A for a policy that insures the lives of both Spouse A and Spouse B; and
(5) A trust owns and exchanges two life insurance policies, one of which insures Spouse A and the other of which insures Spouse B, for a single second-to-die policy insuring the lives of both Spouse A and Spouse B.1