Task: Pos Tagging
Input (English): Sentence: " One of the major , most well - documented and robust findings in ecology over the past century has been the crucial role {{ of }} climate in determining the geographical distribution of species and ecological communities , " concluded a report titled " Observed Impacts of Global Climate Change in the United States , " released by the Pew Center on Global Climate last week . 
Word: of
Output (English): ADP