With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Slipknot (band) are from Boston, MA only.
text_B: The Samsung Galaxy , known as Samsung GT-I7500 in some countries , is a mobile phone manufactured by Samsung that used the open source Android operating system .. Samsung. Samsung. Android. Android ( operating system ). manufactured. Manufacturing. It was announced on 27 April 2009 and was released on 29 June 2009 .. It is succeeded by the Samsung i5700 .. Samsung. Samsung. Samsung i5700. Samsung i5700
not_related.