A: Where do you live? B: I live in Pasadena. A: Where is Pasadena? B: It's in California. A: Is it in northern California? B: No. It's in southern California. A: Is Pasadena a big city? B: It's pretty big. A: How big is "pretty big"? B: It has about 140,000 people. A: How big is Los Angeles? B: It has about 3 million people.
