With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The Mississippi River is straddled by New Orleans.
text_B: Chromosome 14 is one of the 23 pairs of chromosomes in humans .. People normally have two copies of this chromosome .. chromosome. chromosome. Chromosome 14 spans about 107 million base pairs -LRB- the building material of DNA -RRB- and represents between 3 and 3.5 % of the total DNA in cells .. DNA. DNA. cells. cell ( biology ). The centromere of chromosome 14 is positioned approximately at position 17.2 Mbp .. chromosome. chromosome. centromere. centromere
not_related.