You are given a sentence and a question in the input. The information provided in the sentence should be enough to answer the question. You're expected to write the correct answer. Do not use any facts other than those provided in the sentence.

Sentence: Fed up with his antics , Porky stuffs Daffy in a pillow case and drops him out of the window . 
Question: Why Porky stuffed Daffy duck ?
Fed up with his antics.