Please point out the word or words in each sentence using pun to achieve witty or humorous effects. 1) —Why is an empty purse always the same? —Because there is never any change in it. ( ) 2) A: “What four alphabetic letters will scare away a thief?” B: “What?” A: “OICU!” ( ) 3) Customer: Waiter, will the pancakes be long? Waiter: Oh, sir. Round. ( ) 4) Judge: What makes you think you could park your car there? Tourist: Well, there was a big sign that read: Fine for parking. ( ) 5) —When does the baker follow his trade? —Whenever he kneads the dough. ( ) 6) Doe, a deer, a female deer. Ray, a drop of golden sun. Me, a name, I call myself. Far, a long long way to run. Sew, a needle and pulling thread. La, a note to follow sew. Tea, a drink with jam and bread. ( )