What are the keywords in the following sentence? A train pulls up along some buildings.
building, pull, train

What are the keywords in the following sentence? the sun coming out from behind a cloud and flaring to fill the frame with bright white light
cloud, come, fill, flare, frame

What are the keywords in the following sentence? map from which users can select the district in which they want to browse hospitals .
browse, district, map, select, user

What are the keywords in the following sentence? tomatoes grow in a garden .
garden, grow, tomato