With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Joan Collins was out of Sunburn.
text_B: Edward Compton may refer to  :. Edward Theodore Compton , usually referred to as E. T. Compton , -LRB- 1849 -- 1921 -RRB- , English-born , German artist. Edward Theodore Compton. Edward Theodore Compton. Edward Harrison Compton , artist. Edward Harrison Compton. Edward Harrison Compton
not_related.