With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Singapore is in the UN.
text_B: Thomas Alfred Royds Littledale -LRB- 2 April 1850 -- December 1938 -RRB- was a British sailor who competed in the 1908 Summer Olympics .. British. Great Britain. sailor. sailor. 1908 Summer Olympics. 1908 Summer Olympics. He was a crew member of the British boat Mouchette , which won the silver medal in the 12 metre class .. 12 metre class. Sailing at the 1908 Summer Olympics – 12 metre class. British. Great Britain
not_related.