With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Jared Kushner does not have a middle name.
text_B: A group -LRB- often termed as a community , e-group or club -RRB- is a feature in many social network services which allows users to create , post , comment to and read from their own interest - and niche-specific forums , often within the realm of virtual communities .. virtual communities. Virtual community. Groups , which may allow for open or closed access , invitation and / or joining by other users outside the group , are formed to provide mini-networks within the larger , more diverse social network service .. social network service. social network service. Much like electronic mailing lists , they are also owned and maintained by owners , moderators , or managers , which possess the capability of editing posts to discussion threads and regulating member behavior within the group .. However , unlike traditional Internet forums and mailing lists , groups in social networking services allow owners and moderators alike to share account credentials between groups without having to log into each and every group .
not_related.