Enter each item for comparison into a separate line. Although two items are used for comparison, separate them into their own respective lines. For instance, if you wish to compare "Apples" vs. "Oranges" and "Grapes" vs. "Pears", enter "Apples", "Oranges", "Grapes" and "Pears" into their own line, as such:
Apples Oranges Grapes Pears