Answer:
on the stick is adverbial. It adjunct place
Explanation:
We can see that the grammatical function of the phrase is:
Prepositional phrase refers to the phrase that actually begins with a preposition and contains the object and other words that might modify the object. It can modify verbs or nouns in a sentence.
We can see here that "...on the stick" is actually the prepositional phrase starting with the preposition "on". It modifies the verb "sat".
Learn more about prepositional phrase on https://brainly.com/question/427749
