With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Seth MacFarlane is the co-creator of the TV series "American Dad!".
text_B: The Rheineck -- Walzenhausen mountain railway -LRB- Bergbahn Rheineck -- Walzenhausen RhW -RRB- is a 1.9 km long rack railway in Switzerland .. Rheineck. Rheineck railway station. Walzenhausen. Walzenhausen. rack railway. rack railway. Switzerland. Switzerland. It links Rheineck station , in the municipality of Rheineck and the canton of St Gallen , with the village and health resort of Walzenhausen , in the canton of Appenzell Ausserrhoden .. Rheineck. Rheineck railway station. Walzenhausen. Walzenhausen. Rheineck station. Rheineck railway station. municipality of Rheineck. Rheineck. canton of St Gallen. canton of St Gallen. canton of Appenzell Ausserrhoden. canton of Appenzell Ausserrhoden. Appenzell. Appenzell. Passenger service on the line now forms part of the St. Gallen S-Bahn , branded as the S26 .. St. Gallen S-Bahn. St. Gallen S-Bahn. The line is owned and operated by the Appenzell Railways company , which also operates several other railway lines in the two Appenzell cantons .. Appenzell Railways. Appenzell Railways. Appenzell. Appenzell
not_related.