Sam:What's this?It's an American eraser .It's made{}in our hometown{}But it isn't mine .Hi! Jim,  is this your eraser? Jim:No it isn't.. Maybe {}it's Ann's. Sam: Excuse me ,Ann. Ann;Yes? Sam: Is this your eraser? Ann: No, it isn't .I think it's Lucy's. Lucy, is this your eraser ? Lucy: Oh,yes. Thank you very much . Sam; That's all right. Jim: Look,! What are those? Lucy: I think they are oranges. Ann; No, they aren't . I think they are apples----yellow apples. Jim; Are they in a box ? Lucy: No, they are in a basket {} Sam: Whose are they? Lucy:Sorry ,we really don't know. Whose  apples are those?
Lucy's Sam's Jim's We don't know