Angel recently died. Angel is survived by her husband, Keanu, and daughter, Catherine.
Which of the following would be a qualifying property transfer for the purposes of the unlimited marital deduction? Select one:
a. Angel leaves ownership of certain copyrights to Keanu.
b. Property transferred to a credit shelter trust for the benefit of Catherine, with Keanu as the trustee.
c. Angel leaves her beach house to Keanu, subject to the condition that if Keanu does not survive Angel's sister, Angel's sister will get the property.
d. The $1,000,000 life insurance policy on Angel's life owned by Keanu.