1. ulmeiro   cedar   fir   elm   maple   Hint Half-n-half Clue   2. pinheiro   cedar   fir   beech   birch   Half-n-half Clue   3. castanheira   cedar   chestnut   pine   elm   Half-n-half Clue   4. bétula   maple   oak   birch   poplar   Half-n-half Clue   5. cedro   cedar   beech   fir   maple   Half-n-half Clue   6. plátano   elm   oak   poplar   maple   Half-n-half Clue   7. carvalho   poplar   cedar   fir   oak   Half-n-half Clue