What concepts are described in the following sentence?

"Alan Shepard, who graduated from NWC with a M.A. in 1957, died on July 21st 1998 in California."

Return the answer as pairs of triples.
Alan Shepard ALMA_MATER "NWC, M.A. 1957"
Alan Shepard DEATH_PLACE California
Alan Shepard DATE_OF_DEATH "1998-07-21"