I file a defamation claim. What element below is NOT one I must prove to be successful $($Wnicn one is not an element of defamation$)?$

a$.$ The statement is unprivileged $($no absolute or qualified privilege applies$)$

b$.$ The statement is false and is communicated as fact

c$.$ The statement is published to a third party $($someone other than the speaker and the plaintiff hear or read it$).$

d$.$ The statement is true