With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Transformers: Revenge of the Fallen grossed $434.2 million in a certain area.
text_B: Kevin O'Keeffe may refer to  :. Kevin O'Keeffe -LRB- footballer -RRB- -LRB- born 1952 -RRB- , Australian rules footballer. Kevin O'Keeffe -LRB- politician -RRB- , Irish politician
not_related.