Task: Text Completion
Input (English): Sentence1: A boy saw a quarter lying on the sidewalk. Sentence2: He bent down and picked it up. Sentence3: As he did so, a spitball flew where his head had been. Sentence4: Looking around, he saw his archenemy holding a straw. 
 (A) The boy was grateful. (B) The boy was angry.
Output (English): A