1. abedul   birch   pine   chestnut   poplar   Hint Half-n-half Clue   2. castaño   maple   birch   poplar   chestnut   Half-n-half Clue   3. pino   chestnut   elm   beech   pine   Half-n-half Clue   4. cedro   maple   cedar   elm   birch   Half-n-half Clue   5. olmo   beech   elm   cedar   maple   Half-n-half Clue   6. haya   maple   beech   chestnut   oak   Half-n-half Clue   7. abeto   chestnut   elm   birch   fir   Half-n-half Clue