With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Bradley Cooper appeared in a satirical drama film.
text_B: tRNA -LRB- cytidine56-2 ' - O -RRB- - methyltransferase -LRB- , aTrm56 , tRNA ribose 2 ' - O-methyltransferase aTrm56 , PAB1040 -LRB- gene -RRB- -RRB- is an enzyme with systematic name S-adenosyl-L-methionine  : tRNA -LRB- cytidine56-2 ' - O -RRB- - methyltransferase .. enzyme. enzyme. systematic name. List of enzymes. S-adenosyl-L-methionine. S-adenosyl-L-methionine. tRNA. Transfer RNA. This enzyme catalyses the following chemical reaction. enzyme. enzyme. catalyses. catalysis. chemical reaction. chemical reaction. S-adenosyl-L-methionine + cytidine56 in tRNA S-adenosyl-L-homocysteine + 2 ' - O-methylcytidine56 in tRNA. S-adenosyl-L-methionine. S-adenosyl-L-methionine. tRNA. Transfer RNA. S-adenosyl-L-homocysteine. S-adenosyl-L-homocysteine. The archaeal enzyme specifically catalyses the S-adenosyl-L-methionine dependent 2 ' - O-ribose methylation of cytidine at position 56 in tRNA transcripts .. enzyme. enzyme. catalyses. catalysis. S-adenosyl-L-methionine. S-adenosyl-L-methionine. cytidine. cytidine. tRNA. Transfer RNA
not_related.