What are the keywords in the following sentence? A group of fans at an event, holding up large, blue letters.
event, hold, letter

What are the keywords in the following sentence? A rod is inserted into her tonue and clipped, creating a piercing.
create, insert, piercing, rod

What are the keywords in the following sentence? Large clock tower on a brick building against white clouds and blue sky.
building, cloud, tower

What are the keywords in the following sentence? A clock mounted on the side of a yellow wall.
clock, mount, wall