What are the keywords in the following sentence? greenish walls and bedding for the decorated bedroom
bedding, bedroom, wall

What are the keywords in the following sentence? armed force directs the pilots of a helicopter after releasing automobile model
force, helicopter, release

What are the keywords in the following sentence? tropical storm clouds block out the sun as winds buffet the fronds of a palm tree
block, buffet, cloud, frond, tree

What are the keywords in the following sentence? The bear is searching for food in his den.
bear, food, search