Students of all the departments of a college who have successfully completed the registration process are eligible to vote in the upcoming college elections. By the due date, none of the students from the Department of Human Sciences had completed the registration process. Which set(s) of statements can be inferred with certainty?
(i) All those students who would not be eligible to vote would certainly belong to the Department of Human Sciences.
(ii) None of the students from departments other than Human Sciences failed to complete the registration process within the due time.
(iii) All the eligible voters would certainly be students who are not from the Department of Human Sciences.