You did not include the other part of the question but with some googling i think this answer is what you were looking for:
"to the grocery store" modifies drive. Because drive is a verb, that makes "to the grocery store" an adverb phrase.
Answer: Motivational.
Explanation: This service announcement is directed towards kids. It's trying to encourage and motivate them to conserve energy. You can also use the process of elimination to cross out "aggressive" and "angry." It's not showing any strong emotions either, so it's not emotional.
