With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Vince Vaughn appeared in at least one movie.
text_B: Margaretamys is a genus of rodent in the family Muridae endemic to the island of Sulawesi in Indonesia .. Muridae. Muridae. rodent. rodent. endemic. endemic. Sulawesi. Sulawesi. Indonesia. Indonesia. It contains the following species  :. Beccari 's margareta rat -LRB- Margaretamys beccarii -RRB-. Margaretamys beccarii. Margaretamys beccarii. Christine 's margareta rat -LRB- Margaretamys christinae -RRB-. Margaretamys christinae. Margaretamys christinae. Elegant margareta rat -LRB- Margaretamys elegans -RRB-. Margaretamys elegans. Margaretamys elegans. Elegant margareta rat. Elegant margareta rat. Little margareta rat -LRB- Margaretamys parvus -RRB-. Margaretamys parvus. Margaretamys parvus. Little margareta rat. Little margareta rat
not_related.