With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: R. Madhavan acts professionally.
text_B: The name Thundorf may refer to  :. Thundorf , Switzerland , a municipality in the Swiss canton of Thurgau .. Thundorf in Unterfranken , a municipality in the district of Bad Kissingen in Bavaria , Germany .. Thundorf in Unterfranken. Thundorf in Unterfranken. Bad Kissingen. Bad Kissingen ( district ). Thundorf -LRB- Ainring -RRB- , a village pertaining to the town of Ainring in the district of Bad Tolz-Wolfratshausen in Bavaria , Germany .. Ainring. Ainring. Bad Tolz-Wolfratshausen. Bad Tolz-Wolfratshausen. Thundorf -LRB- Osterhofen -RRB- , a part of the town of Osterhofen in the district of Deggendorf in Bavaria , Germany .. Osterhofen. Osterhofen. Deggendorf. Deggendorf ( district ). Thundorf -LRB- Freystadt -RRB- , a part of the town of Freystadt in the district of Neumarkt in Bavaria , Germany. Freystadt. Freystadt. Neumarkt. Neumarkt ( district )
not_related.