Task: Pos Tagging
Input (English): What is the virtual channel of the station that is the most prominent provider of educational television programming to public television stations in the United States ?
Output (English): WP VBZ DT JJ NN IN DT NN WDT VBZ DT RBS JJ NN IN JJ NN VBG TO JJ NN NNS IN DT NNP NNPS .