In The Tain, what begins the dispute between Medb and Ailill?
A. Ailill was jealous of Medb's admirers.
b. Medb is having an affair.
c. Ailill insists that he is the source of Medb's wealth and prestige, while Medb insists otherwise.
d. Finnbennach the white-horned bull refuses to be included in Medb's herd.