With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Jackie Robinson's uniform number was 1.
text_B: `` It 's OK '' is the second single from American soul singer Cee Lo Green 's third studio album , The Lady Killer .. Cee Lo Green. Cee Lo Green. The Lady Killer. The Lady Killer ( album ). The song is produced by Element , and written by Cee Lo , Element and Noel Fisher .. Noel Fisher. Detail ( musician ). Element. Element ( production team ). The single was released on December 27 , 2010 and peaked at number 20 on the UK Singles Chart .. UK Singles Chart. UK Singles Chart. In the UK the single made BBC Radio 1 's A-Playlist -LRB- which is argued to be its `` most influential playlist '' -RRB- .. BBC Radio 1. BBC Radio 1
not_related.