1. 紅木   spruce   rosewood   palm   cinchona   Hint Half-n-half Clue   2. 冬青屬   holly   spruce   sandalwood   palm   Half-n-half Clue   3. 柚木樹   palm   teak   cinchona   sandalwood   Half-n-half Clue   4. 核桃   sandalwood   walnut   holly   rosewood   Half-n-half Clue   5. 棕櫚   sandalwood   teak   palm   coconut   Half-n-half Clue   6. 楊柳   rosewood   walnut   sandalwood   willow   Half-n-half Clue   7. 雲杉   holly   cinchona   sandalwood   spruce   Half-n-half Clue