With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Rainn Wilson is from a city.
text_B: The Cophen Campaign was conducted by Alexander the Great between May 327 BC and March 326 BC .. Alexander the Great. Alexander the Great. It was conducted in Swat in what is now the Punjab region in Pakistan .. Punjab region. Punjab region. Swat. Swat District. Punjab. Punjab ( region ). Pakistan. Pakistan. Alexander 's goal was to secure his line of communications so that he could conduct a campaign in India proper .. To achieve this , he needed to capture a number of fortresses controlled by the local tribes .
not_related.