All other uses: Except on a corner lot, no side yards shall be required, but if provided, any side yard shall have a width of not less than 10 feet. On a corner lot, there shall be a side yard along a side street line, and such side yard shall have a width of not less than four feet, except that if the Board of Trustees finds that a smaller or larger side yard is required for reasons of consistency with the front or side yard(s) of adjacent building(s), it may reduce or increase the required side yard.