Answer:
I believe the answer is verb.
Explanation:
Opening is an action so it is a verb. hope this helps.
Maybe try zooming in a little more :)
The purpose is because some one must of sayed that in a story or a title so you don't want to take what they sayed it's like steeling
Think Of a tagline
Make sure to write about the highlights
Use character names
Avoid making your pitch too long
I could be wrong idk