Task: Pos Tagging
Input (English): Sentence: I must have written to say how much I had enjoyed his fine book The Building Of Eternal Rome , and I found he had not regretted giving me the highest mark in {{ his }} old course on the later Latin poets , although in my final examination I had ignored the questions and filled the bluebook with a comparison of Propertius and Coleridge . 
Word: his
Output (English): DET