1. pioppo   poplar   birch   elm   pine   Hint Half-n-half Clue   2. faggio   cedar   poplar   beech   maple   Half-n-half Clue   3. betulla   chestnut   birch   beech   oak   Half-n-half Clue   4. cedro   cedar   beech   poplar   chestnut   Half-n-half Clue   5. albero della castagna   chestnut   birch   elm   maple   Half-n-half Clue   6. abete   fir   maple   cedar   elm   Half-n-half Clue   7. acero   maple   fir   cedar   chestnut   Half-n-half Clue