Zhang, Wang, and Zhao work in a department, one of whom is the director, the other is the secretary, and the other is the engineer. Known: Wang and Zhao are taller than engineers, and the secretary is shorter than Wang. same height. From this. ['Zhang is the director, Wang is the engineer, and Zhao is the secretary.', 'Zhang is an engineer, Wang is the director, and Zhao is the secretary.', 'Zhang is the director, Wang is the secretary, and Zhao is the engineer.', 'Zhang is the secretary, Wang is the director, and Zhao is an engineer.']