Task: Pos Tagging
Input (English): What is the opera title whose composer wrote fifteen operas , an operetta , several orchestral and vocal works , and also songs and piano music ?
Output (English): WP VBZ DT NN NN WP$ NN VBD JJ NNS , DT NN , JJ JJ CC JJ NNS , CC RB NNS CC NN NN .