With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Sanjay Gupta was one of 15 White House Fellows.
text_B: `` Where U Been ? ''. is a song by American rapper 2 Chainz from his second studio album B.O.A.T.S. II  : Me Time .. 2 Chainz. 2 Chainz. -LRB- 2013 -RRB- The song was released as the album 's first promotional single on August 1 , 2013 .. promotional single. promotional single. It was produced by frequent collaborator Mike Will Made It , and featured a guest appearance by Cap .1 .. Mike Will Made It. Mike Will Made It. produced. Record production. guest appearance. guest appearance. The song peaked on the US Billboard Bubbling Under R&B  /  Hip-Hop Singles at number one .
not_related.