Mash A. 5 swings will break the wall since it can withstand 10, and because of the way its casted, you're hitting the wall's "back" netting you two hits per swing. The first A actually gets you four hits.
"If someone asks you whether or not you're ticklish, it doesn't matter what you say, they're gonna touch you. If you don't wanna be touched, you gotta say something like, 'I have diarrhea. And yes, I'm very ticklish.'"