Task: Pos Tagging
Input (English): Sentence: In a major regional shift reflecting the newly strengthened position of Karzai , Iran , Russia and India which {{ have }} traditionally backed the Tajik dominated former Northern Alliance made strenuous efforts to convince presidential candidate Younis Qanooni to strike a deal with Karzai before the elections and not to oppose Karzai . 
Word: have
Output (English): AUX