With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Neil Patrick Harris never hosted the Oscars.
text_B: R1162-like plasmid antisense RNA is a 75-base RNA molecule which negatively regulates the RepI region of the plasmid .. antisense. Antisense RNA. base. nucleotide. RNA. RNA. The protein product of this gene region , along with another protein , controls the copy number of the 8.75 kB R1162 plasmid .. protein. protein. copy number. copy-number variation. R1162 plasmid. broad host-range plasmid R1162. Experimental evidence has shown that in Escherichia coli , when levels of this RNA are decreased , the plasmid copy number of R1162 is increased .. RNA. RNA. copy number. copy-number variation. Escherichia coli. Escherichia coli
not_related.