With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: In the film Underworld: Blood Wars, Selene serves as the central character.
text_B: Quarter sawing also quarter-cut is a type of cut in the rip-sawing of logs into lumber .. lumber. lumber. The resulting lumber is called quartersawn -LRB- quarter-sawn -RRB- , quartered , and radially-sawn .. lumber. lumber. There is widespread confusion between the terms quartersawn and riftsawn with both words defined with opposite meanings and as synonyms .. Quarter-sawn boards have greater stability of form and size with less cupping , shrinkage across the width , shake and splitting , and other good qualities .. cupping. Wood warping. In some woods , such as oak , the grain produces a decorative effect which shows a prominent ray fleck and sapele is likely to produce a ribbon figure .. sapele. sapele
not_related.