Maisie's room by Cohan Mangu-Beckham.

Maisie is choosing the colours for her room.

I've created a tree diagram to show all the possible outcomes...           

Colour of wall- y=yellow c=cream w=white                                     
Colour of carpet- b=brown g=green                               
Colour of curtain- g=green y=yellow

by Cohan Mangu-Beckham,