2．
根据对话内容，判断正误。
Peter: What's your favourite fruit, Betty?
Betty: Apples. Because they are sweet.
Peter: I like fruit. But I don't like grapes. They are sour（酸的）. I like oranges. They are yummy.
Bill: I like potatoes. They are delicious. What about you, Ann?
Ann: I don't like potatoes. But I like fish. It's fresh.
Ben: I like fish, too. It's very healthy.
