Direction: The following question is followed by information given in three statements. You have to decide the data in which statement (s) is/are sufficient to answer the question and mark your answer accordingly.

A six-floor (numbered as 1 to 6) building has five different companies on each floor and one floor is vacant. Which floor is vacant?

I. There are at least two floors below the vacant floor.

II. An odd numbered floor is a vacant floor.

III. A prime numbered floor is a vacant floor.