What are the keywords in the following sentence? consumer product a fire on candle in dark room
candle, fire, room

What are the keywords in the following sentence? atoms each atom of a specific element has the same number of protons in its nucleus .
atom, nucleus, number, proton

What are the keywords in the following sentence? Fresh baked cookies lie on a baking sheet on a stove.
cookie, lie, sheet

What are the keywords in the following sentence? building erected to commemorate his victory over monarch
commemorate, erect, monarch, victory