Complex sentence: Kevin Sullivan adapted the novel story into his own screenplay, collaborating with industry veteran Joe Wiesenfeld, and developed a co-production between the CBC and PBS in order to film "Anne of Green Gables".
Split into simpler sentences: Kevin Sullivan adapted the novel into his own screenplay, collaborating with industry veteran Joe Wiesenfeld. Sullivan developed a co-production between the CBC and PBS in order to film "Anne of Green Gables".