
Option (a) Few legs are ears: Here, some muscles are legs and some muscles are ears. So, there is a possibility that some legs are ears. So, option (a) does not follow.
Option (b) Some muscles are not eye: Here, some muscles which are ears are not eyes. So, option (b) follows.
Option (c) Some legs are bones is a possibility: Here, all legs are muscles and some muscles are bones. So, there is a possibility that some legs are bones. So, option (c) follows.
Option (d) No ear is bone: Here, there is a possibility that no ear is bone. So, option (d) does not follow.