Răspuns :
stejar , plop, carpen, fag, mesteacan - cad frunzele
brad, molid, pin, - nu cad frunzele
brad, molid, pin, - nu cad frunzele
cad frunzele : stejar ,plop , carpen , fag ,mesteacăn
nu cad frunzele :brad ,molid ,pin
nu cad frunzele :brad ,molid ,pin