Ohio Rev. Code Ann. § 163.09
(B)
(1) When an answer is filed pursuant to section 163.08 of the Revised Code and any of the matters relating to the right to make the appropriation, the inability of the parties to agree, or the necessity for the appropriation are specifically denied in the manner provided in that section, the court shall set a day, not less than five or more than fifteen days from the date the answer was filed, to hear those matters. Upon those matters, the burden of proof is upon the agency by a preponderance of the evidence except as follows: