What are the keywords in the following sentence? A table with a plate that has a pizza on it along with fresh vegetable and meat toppings.
table, topping, vegetable

What are the keywords in the following sentence? A living room has couches and chairs, as well as a fireplace.
chair, couch, fireplace, room

What are the keywords in the following sentence? robots are said to colonize the moon by the year .
colonize, moon, year

What are the keywords in the following sentence? students walk on the campus
campus, student, walk