Toddler Language Development Styles

Brandon is a toddler whose vocabulary consists primarily of labels, such as "doggie" for all four-legged animals and "ball" for anything round. His neighbor Cara, who is a few months older, uses phrases like "thank you" when given an object and "good doggie" when the family pet responds to a command.
Brandon exhibits the _____ language style, while Cara is developing _____ language.