How to tell if a word is functioning as an adjective:Originally Posted by costaricacait
Ask yourself the question, "What kind of...?"
Q: What kind of contract?
A: A surrogacy contract.
surrgacy functions as an adjective.
a surrogacy contract functions as a noun phrase. It's made up of a determiner (a), a noun (surrogacy), which is functioning as an adjective, and a noun (contract).