What are the keywords in the following sentence? crane in the port in front
crane, front, port

What are the keywords in the following sentence? a black cat with a damaged ear lying in the grass on a meadow
cat, damage, ear, grass, lie

What are the keywords in the following sentence? canal boat moored next to over bridge
boat, bridge, moor

What are the keywords in the following sentence? fresh orange in the shape of the sun with rays .
ray, shape, sun