Task: Pos Tagging
Input (English): When was the city incofporated that has a historical church that now contains the Harvard Historical Society 's museum and archival collections ?
Output (English): WRB VBD DT NN VBD DT VBZ DT JJ NN WDT RB VBZ DT NNP NNP NNP POS NN CC JJ NNS .