1. green
   1. apple
   2. pear
   3. grapes
2. yellow
   1. banana
   2. lemon
   3. quince
   4. apple
3. orange
   1. orange
   2. apricot
   3. mandarine
4. purple
   1. plum
   2. raspberry
   3. blueberry
   4. grapes
5. red
   1. strawberry
   2. red currant
   3. cherry
   4. apple