With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Ringo Starr is French.
text_B: Airvana was acquired by CommScope in 2015 .. CommScope. CommScope. Prior to that , the company was an independent provider of small cells and femtocells based on fourth generation -LRB- 4G -RRB- Long Term Evolution -LRB- LTE -RRB- and third-generation -LRB- 3G -RRB- CDMA2000 EV-DO mobile broadband technologies .. Long Term Evolution. Long Term Evolution. EV-DO. EV-DO. Airvana products enable mobile operators to deliver 3G and 4G cellular data services indoors .
not_related.