With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Daddy Yankee made an album.
text_B: In molecular biology , the five-prime cap -LRB- 5 ′ cap -RRB- is a specially altered nucleotide on the 5 ′ end of some primary transcripts such as precursor messenger RNA .. molecular biology. molecular biology. nucleotide. nucleotide. precursor messenger RNA. Precursor mRNA. messenger RNA. messenger RNA. This process , known as mRNA capping , is highly regulated and vital in the creation of stable and mature messenger RNA able to undergo translation during protein synthesis .. mature. Mature messenger RNA. messenger RNA. messenger RNA. translation. Translation ( genetics ). protein synthesis. protein synthesis. Mitochondrial and chloroplast mRNA are not capped .. Mitochondrial. Mitochondrial mRNA
not_related.