With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Telangana separated from Andhra Pradesh in 2014.
text_B: Armando P. Stettner is a computer engineer and architect who is most widely known for Unix development and for spearheading the native VAX version of UNIX , Ultrix , during his tenure at Digital Equipment Corporation -LRB- DEC -RRB- .. Unix. Unix. VAX. VAX. Ultrix. Ultrix. Digital Equipment Corporation. Digital Equipment Corporation
not_related.