Jess: What's going on?
Ruth: I think they might just be doing frickin' yard work.
Kids: [sing] I don't know What I been told I don't know what I been told...
Coach: Whoa.
Kids: [sing] Foster's butt is mighty old Foster's butt is mighty old...
Jess: Oh, we are violating every child labor law.
Ruth: They're really good singers.
Biology Teacher: [o.s.] Keep up the rhythm. Mama won't be happy till you clear the back forty.