Task: Pos Tagging
Input (English): Sentence: The next traditional step then was to accept it as the authoritative textbook of the Christian faith just as one would accept a treatise on any earthly `` science '' , and I submitted to its conditions according to Christ's invitation and promise that , `` If any man will do his will , he shall know of the doctrine , whether it be of God , or whether {{ I }} speak of myself '' ( John 7 : 17 ) . 
Word: I
Output (English): PRON