Marilyn: I'm exhausted. My new exercise class is so hard.
Richard: Your new exercise class?
Marilyn: Yeah. My new advanced exercise class.
Richard: Why advanced?
Marilyn: My instructor thought that the beginner's class was too easy for me.
Richard: Too easy for you?
Marilyn: Don't laugh. In the beginner's class, they give you a chance to rest between exercises.
Marilyn: The advanced class is nonstop.
Richard: I lift weights every morning for sixty minutes without stopping. No problem.
Marilyn: Listen, Richard, doing aerobics for an hour is a lot different than lifting weights.
Richard: Yeah. Quite a bit different. I think aerobics. I could work out in your class with no problem.
Marilyn: You think so?
Richard: Oh, without a duobt. When's the next class?
Marilyn: Tomorrow morning at ten 0'clock. Try it.
Richard: Tomorrow morning after lifting weights, I'll try aerobics. It's a snap. Tomorrow morning at ten 0'clock.