With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: On top of the mountain Bonnet a L'Eveque is the location for the Citadelle Laferrière.
text_B: Alexander Balos `` Sandy '' Williams -LRB- October 24 , 1906 -- March 25 , 1991 -RRB- was an American jazz trombonist , perhaps best known for playing with the premier big bands of his day , especially the Chick Webb orchestra .. Chick Webb. Chick Webb. Williams also recorded extensively with Ella Fitzgerald .. Ella Fitzgerald. Ella Fitzgerald
not_related.