What are the keywords in the following sentence? an old coloured map scanned at high resolution from a book printed .
book, map, print

What are the keywords in the following sentence? a pond in a field overlooks english civil parish at sunrise
field, overlook, parish

What are the keywords in the following sentence? map of the site and region .
map, region, site

What are the keywords in the following sentence? A pair of zebras graze under a tree at the edge of a grassy field.
field, tree, zebras