With no explanation, label text_A→text_B with either "entailment", "neutral" or "contradiction".
text_A: A packet assembler/disassembler, abbreviated PAD is a communications device which provides multiple asynchronous terminal connectivity to an X.25 (packet-switching) network or host computer.
text_B: A packet assembler / disassembler, abbreviated PAD is a communications device which provides multiple asynchronous terminal connectivity to an X.25 packet - switching network.
entailment.