With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The iPhone 5C was sold for a price.
text_B: NLGN may refer to  :. Neuroligin , a protein. Neuroligin. Neuroligin. New Local Government Network , a think tank of the United Kingdom. New Local Government Network. New Local Government Network
not_related.