This article explains how to use the OR function
OR(QA > 50, QB > 50)
OR(QA = 1, QB <> 1, QC > 2)
OR(logical_expression1, [logical_expression2, ...])
logical_expression2, ... - [ OPTIONAL ] - Additional expressions or references to cells containing expressions representing some logical values, i.e.
FALSE, or expressions that can be coerced to logical values.
Learn more about or in one of the following articles