Please answer the following question: M: Really? But we ate together. How come my stomach is fine? W: You have an iron stomach! Mine is not that strong. M: So what should we do now? W: I've got to find .... Ah, be quick! I think I've got the runs. What was said before this conversation?
Answer:
W: I have a stomachache. I think I got some bad food at lunch today.