Question: Sage and Chalice, is the name of a secret society at Yale University, it is also known as YPSRT, or the Yale Potato Sack Relay Team, according to an article in the "New York Times", Barbara Pierce Bush Jr., the daughter of U.S. President George W. Bush, joined the society in preference to which organization, and is the elder of the fraternal twin daughters?
Sentence (from "Sage and Chalice"): It is also known as YPSRT, or the Yale Potato Sack Relay Team.
Relevant evidence: No