Part 1 : Conversation
Customer : Excuse me, can I help you?
Shopkeeper : Yes, I'm looking for a blue shirt.
Customer : We have blue shirts in various sizes. What size are you?
Shopkeeper : I'm a large.
Customer : Okay, let me check. Ah, here’s one. Would you like to try it on?
Shopkeeper : Sure, thanks.
What does the shopkeeper want to buy?