Dave Smith is 12. He has a sister .Her name is Jenny .She is 8. Dave has a dictionary .It is blue .The dictionary is in his black backpack .He has a computer game and he likes it .Jenny has a watch .It is red .She likes it very much. She has a good pencil case ,too .It's white . Her pencil  ,ruler ,eraser and pen are in the pencil case. Her pencil case is in her yellow backpack. What color is Jenny's backpack?
It's black It's red It's green It's yellow