[解析]
W:Good morning.Ted.
M:Good morning.Lucy.Is this your family photo?
W:Yes.Look!These are my parents Alan and Alice and these are my aunt and uncle.
M:What's your uncle's name?
W:Frank Brown,and he's an English teacher.
M:Frank Brown?He is my sister's teacher.
W:What's your sister's name?
M:Linda.
W:Oh,I see.