[originaltext]M: Hey, Luis, I’ve got a used copy of our chemistry textbook for

M: Hey, Luis, I’ve got a used copy of our chemistry textbook for half price.
W: I’m afraid you wasted your money. Yours is the first edition, but we are supposed to be using the third edition.
Q: What has the man done?

W: Jim, I’m having difficulty with all the theoretical stuff we are getting in our computer course.
M: Oh, that part I understand. What I can’t figure out is how to make it work in my program.
Q: What is the man’s problem?