With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Constantine was directed by an American filmmaker.
text_B: Francis Lawrence -LRB- born March 26 , 1971 -RRB- is an American filmmaker and producer , who has worked on films , television shows , and music videos .. He is best known for directing three of the four films in the Hunger Games film series .
related.