Task: Pos Tagging
Input (English): Sentence: Professor McNeill thinks that at Yalta , Stalin did not {{ fully }} realize the dilemma which faced him , that he thought the exclusion of the anti-Soviet voters from East European elections would not be greatly resented by his allies , while neither Roosevelt nor Churchill frankly faced `` the fact that , in Poland at least , genuinely free democratic elections would return governments unfriendly to Russia '' , by any definition of international friendliness . 
Word: fully
Output (English): ADV