With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Star vs. the Forces of Evil is produced by a studio.
text_B: Medieval Amalfi was ruled , in the tenth and eleventh centuries , by a series of dukes -LRB- duces -RRB- , sometimes called dogi -LRB- singular doge -RRB- corresponding with the republic of Venice , a maritime rival throughout the Middle Ages .. Amalfi. Republic of Amalfi. republic of Venice. republic of Venice. Before the dukedom was formally established in 957 , various patricians governed the territory .. Amalfi established itself as one of the earliest maritime trading powers renowned throughout the Mediterranean , competing with northern European cities .. Amalfi. Republic of Amalfi. Mediterranean. Mediterranean
not_related.