With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: R. Kelly has sold over 100 thousand records worldwide.
text_B: Knots and knotting have been used and studied throughout history .. history. history. For example , Chinese knotting is a decorative handicraft art that began as a form of Chinese folk art in the Tang and Song Dynasty -LRB- 960-1279 AD -RRB- in China , later popularized in the Ming .. Chinese knotting. Chinese knotting. Knot theory is the recent mathematical study of unknots .. Knot. Knot. Knot theory. Knot theory. Knots of ancient origin include the bottle sling , bowline , cat 's paw , clove hitch , cow hitch , double fisherman 's knot , eskimo bowline , figure-eight knot , fisherman 's knot , half hitch , kalmyk loop , one-sided overhand bend , overhand knot , overhand loop , reef knot , running bowline , single hitch , thief knot , Turk 's head knot , and two half-hitches .. bottle sling. bottle sling. bowline. bowline. clove hitch. clove hitch. cow hitch. cow hitch. eskimo bowline. eskimo bowline. figure-eight knot. figure-eight knot. half hitch. half hitch. kalmyk loop. kalmyk loop. one-sided overhand bend. one-sided overhand bend. overhand knot. overhand knot. overhand loop. overhand loop. reef knot. reef knot. running bowline. running bowline. single hitch. single hitch. thief knot. thief knot. two half-hitches. two half-hitches. The eleven main knots of Chinese knotting are the four-flower knot , six-flower knot , Chinese button knot , double connection knot , double coin knot , agemaki , cross knot , square knot , Plafond knot , Pan Chang knot , and the good luck knot .. Chinese knotting. Chinese knotting. Chinese button knot. Chinese button knot. double connection knot. Matthew Walker knot. double coin knot. carrick bend. cross knot. friendship knot. Pan Chang knot. endless knot. Knots of more recent origin include the friendship knot of Chinese knotting .. Chinese knotting. Chinese knotting. friendship knot. friendship knot. The sheepshank knot originates from 1627 while the Western Union splice originates from the beginning of telegraphy .. sheepshank knot. sheepshank. Western Union splice. Western Union splice. telegraphy. telegraphy
not_related.