This document discusses the difference between facts and opinions. It defines facts as statements that can be proven true or false and are not based on personal views, while opinions are statements that cannot be proven and people can agree or disagree with. The document provides examples of facts like "Lionel Messi is from Argentina" and opinions like "Football is boring." It lists key words that indicate whether a statement is a fact or opinion, such as "true" or "feel." Finally, it classifies statements as either facts or opinions to demonstrate the difference.