Which subnet mask would be assigned to the network address of 192.168.32.0 to provide 254 useable host addresses per subnetwork?

255.255.0.0
255.255.255.0
255.255.254.0
255.255.248.0

ccna exploration 1 chapter 10 Exam Question And Answers 

Which subnet mask would be assigned to the network address of 192.168.32.0 to provide 254 useable host addresses per subnetwork?