With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Mexico requested independence.
text_B: Knez is a South Slavic surname , coming from the title knez .. It may refer to  :. Dejan Knez , a Slovenian artist. Dejan Knez. Dejan Knez. Tomislav Knez , a Bosnian footballer. Tomislav Knez. Tomislav Knez. Ivan Knez , an Argentine-Swiss footballer. Ivan Knez. Ivan Knez
not_related.