What are the keywords in the following sentence? some of older trees are and reach feet in height .
height, reach, tree

What are the keywords in the following sentence? mix and match a rich autumnal colour palette with the collection of dining chairs
chair, match, mix

What are the keywords in the following sentence? energetic friends spending their weekend together jumping on the bed
bed, jump, spend

What are the keywords in the following sentence? A sink in a kitchen under a microwave oven.
kitchen, microwave, oven, sink