Read this excerpt from Extremely Loud and Incredibly Close.
“I didn’t do it!” I hollered, but they didn’t even hear me, because they were playing music too loud and cracking up too much. I zipped myself all the way into the sleeping bag of myself, not because I was hurt, and not because I had broken something, but because they were cracking up. Even though I knew I shouldn’t, I gave myself a bruise.
Which of these statements best describes the ambiguity in this excerpt?