1. poplar   Tanne   Ulme   Pappel   Eiche   Hint Half-n-half Clue   2. cedar   Buche   Tanne   Zeder   Kiefer   Half-n-half Clue   3. fir   Kastaniebaum   Zeder   Tanne   Buche   Half-n-half Clue   4. pine   Ulme   Kiefer   Tanne   Birke   Half-n-half Clue   5. beech   Tanne   Pappel   Ahorn   Buche   Half-n-half Clue   6. maple   Ahorn   Buche   Tanne   Kastaniebaum   Half-n-half Clue   7. elm   Buche   Ulme   Kastaniebaum   Ahorn   Half-n-half Clue