With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Ford Motor Company has several locations.
text_B: Matthias Zimmermann is the name of  :. Matthias Zimmermann -LRB- footballer , born 1970 -RRB- , German football player , retired. Matthias Zimmermann -LRB- footballer , born 1992 -RRB- , German football player for Borussia Monchengladbach. Matthias Zimmermann -LRB- artist -RRB- -LRB- born 1981 -RRB- , media artist from Switzerland
not_related.