With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Idris Elba has been nominated fifty times for a Golden Globe Award.
text_B: Retransmission , essentially identical with Automatic repeat request -LRB- ARQ -RRB- , is the resending of packets which have been either damaged or lost .. Automatic repeat request. Automatic repeat request. packets. Packet ( information technology ). Retransmission is one of the basic mechanisms used by protocols operating over a packet switched computer network to provide reliable communication -LRB- such as that provided by a reliable byte stream , for example TCP -RRB- .. packet. packet ( information technology ). protocols. network protocol. packet switched. packet switched. computer network. computer network. reliable byte stream. reliable byte stream. TCP. Transmission Control Protocol. Such networks are usually ` unreliable ' , meaning they offer no guarantees that they will not delay , damage , or lose packets , or deliver them out of order .. packets. Packet ( information technology ). Protocols which provide reliable communication over such networks use a combination of acknowledgments -LRB- i.e. an explicit receipt from the destination of the data -RRB- , retransmission of missing or damaged packets -LRB- usually initiated by a time-out -RRB- , and checksums to provide that reliability .. packets. Packet ( information technology ). acknowledgments. Acknowledgement ( data networks ). receipt. receipt. data. data. time-out. timeout ( telecommunication ). checksums. checksums
not_related.