The italicized word or phrase <em>a three-pronged </em>(if this is italicized, we cannot possibly know) is attributive, as it is an adjective to describe the plan.
Answer:
"I can't believe it! I can't believe she lied to me!" exclaimed Nora.
Explanation:
"If we work together in a group then we will definitely get a good grade on this project." said Arthur.
