Identify the part of speech of each italicized word in the following sentence: Jim and Tiffany, who are my favorite cousins, just saw the cutest dog running through their back yard and hiding behind the car.

Jim (noun - a person); favorite (adjective - describes cousins); just (adverb - describes saw); cutest (adjective - describes dog); running (verb - shows action); their (adjective - describes yard); and (conjunction - connects running and hiding); behind (preposition - shows spatial relationship between dog and car); the (article, a type of adjective that introduces a noun, car)