Li Na's Prince Charming is tall and handsome doctor  She knows four men, Wang Wei, Wu Gang, Li Qiang and Liu Dawei, and one of them meets all the requirements of her  First, three of the four men are tall and two doctors are handsome  Second, Wang Wei and Wu Gang are both doctors  Third, Liu Dawei and Li Qiang are equal in height
Fourth, not both Li Qiang and Wang Wei are tall
Liu Dawei