With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The score for Call of Duty was composed by Michael Giacchino.
text_B: Fruit bromelain -LRB- , juice bromelain , ananase , Bromelase -LRB- a trademark -RRB- , bromelin , extranase , pinase , pineapple enzyme , traumanase , fruit bromelain FA2 -RRB- is an enzyme .. enzyme. enzyme. pineapple. pineapple. This enzyme catalyses the following chemical reaction. enzyme. enzyme. catalyses. catalysis. chemical reaction. chemical reaction. Hydrolysis of proteins with broad specificity for peptide bonds .. Hydrolysis. Hydrolysis. Bz-Phe-Val-Arg-NHMec is a good synthetic substrate. This enzyme is isolated from pineapple plant , Ananas comosus .. enzyme. enzyme. pineapple. pineapple. Ananas comosus. Ananas comosus
not_related.