A: What's your favorite thing to do? B: I like to watch people. A: That's your favorite thing to do? B: Well, it's one of them. A: Where do you go to watch people? B: My girlfriend and I sit outside Starbucks. A: That sounds like a good spot. B: We watch people walk by with their dogs. A: I guess you see lots of different dogs. B: We don't even know what kind most of them are. A: There are lots of different kinds, but they all have one thing in common. B: Yes, they love to sniff each other when they meet.