1. тополь   beech   poplar   birch   fir   Hint Half-n-half Clue   2. вяз, ильм   poplar   chestnut   cedar   elm   Half-n-half Clue   3. дуб   beech   oak   cedar   pine   Half-n-half Clue   4. каштан   beech   chestnut   cedar   pine   Half-n-half Clue   5. бук   poplar   elm   beech   cedar   Half-n-half Clue   6. берёза   birch   cedar   fir   pine   Half-n-half Clue   7. кедр   maple   birch   elm   cedar   Half-n-half Clue