找出下列各组中不属于同一类的单词,填序号。
( ) (1) A. watch B. computer C. uncle D. pen
( ) (2) A. sister B radio C. son D. daughter
( ) (3) A. plane B. bike C. car D. window
( ) (4) A. woman B. friend C. tall D. girl
( ) (5) A. zebra B. tiger C. egg D. panda
( ) (6) A. zoo B. crayon C. storybook D. tape