Task: Pos Tagging
Input (English): Sentence: The drill press consists of a vertical shaft ( spindle ) which is tapered or threaded on one end to hold a drill chuck , a tubular housing ( quill ) in which the spindle is mounted , a head in which the quill is mounted , a feed lever which moves the quill up or down , a power source , and a movable table {{ upon }} which the work is placed . 
Word: upon
Output (English): ADP