X and Y are spouses. They are both authors of text books used in schools. In December 2020, the University of Quezon City hires X to DO a book on "Marketing During the Pandemic" to be submitted by March 2021, for a fee of Php50,000. However, in February 2021, X dies due to COVID-19 without finishing the book. Can the University of Quezon City demand from Y the performance of the obligation of X under the contract? Explain.