General Studies · Seating Arrangement

A company office building has five floors (1 to 5 from bottom to top). There is one department on each floor out of Accounts, Production, Technical, Executive, and HR, not necessarily in that order. The HR department floor is not next to the Executive floor or the Accounts floor. The Production floor is not adjacent to the Executive floor. The Technical department is on the third floor, just above the HR floor and just below the Executive floor. Which department is on the first floor?