Task: Question Answering
Input (English): Context: Soon after we moved into the new house , I felt that anguish again . Chewy and Charly got into a fight , christening the back deck with their blood and my tears . Tom was n't home , but a neighbor heard my screams . With his help , we managed to separate them . 
Question: What does the author mean by saying that Chewy and Charly christened the back deck with their blood ?
Output (English): They were engaging in combat with each other for the first time on the deck.