With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Geraldine Chaplin is the eighteenth child of Charlie Chaplin.
text_B: Kathleen Baker -LRB- born February 28 , 1997 -RRB- is an American competition swimmer who specializes in freestyle and backstroke events .. swimmer. swimming ( sport ). freestyle. freestyle swimming. backstroke. backstroke swimming. At the 2016 Summer Olympics , she won a gold medal in the 4x100-meter medley relay and a silver medal in the individual 100-meter backstroke .. backstroke. backstroke swimming. 2016 Summer Olympics. 2016 Summer Olympics. 4x100-meter medley relay. Swimming at the 2016 Summer Olympics – Women's 4 × 100 metre medley relay. 100-meter backstroke. Swimming at the 2016 Summer Olympics – Women's 100 metre backstroke
not_related.