Task: Pos Tagging
Input (English): Which system has the lowest amount of avg . Week day ridership ? Was it the system which was descended from commuter rail services which date back as early as 1832 , or one that is a California commuter rail line on the San Francisco Peninsula ?
Output (English): NNP NN VBZ DT JJS NN IN NN . JJ NN NN . VBD PRP DT NN WDT VBD VBN IN NN NN NNS WDT NN RB RB RB IN CD , CC CD WDT VBZ DT NNP NN NN NN IN DT NNP NNP NNP .