Product disparagement differs from defamation of a nonpublic figure in that
a. intent is required for the disparagement case, but not in the defamation case
b. intent is required for the defamation case, but not in the disparagement case
c. publication to a third party is required in the disparagement case, but not in the defamation case
d. publication to a third party is required in the defamation case, but not in the disparagement case