With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Colin Farrell appeared in an action movie.
text_B: The Tirso -LRB- Tirsu , Latin Thyrsus -RRB- is a 152 km river , the most important of the island of Sardinia -LRB- Italy -RRB- .. Italy. Italy. Latin. Latin. Sardinia. Sardinia. It rises from the plateau of Budduso , on the slopes of the Punta Pianedda at an elevation of 985 m and crosses the island from east to west , passing through Lake Omodeo and entering the sea in the Gulf of Oristano .. Punta Pianedda. Punta Pianedda. Budduso. Budduso. Gulf of Oristano. Gulf of Oristano. Lake Omodeo. Lake Omodeo. Category  : Rivers of Italy. Italy. Italy. Category  : Rivers of Sardinia. Sardinia. Sardinia
not_related.