What are the keywords in the following sentence? Three men standing around their motorcycles in a parking lot.
lot, motorcycle, stand

What are the keywords in the following sentence? a small fountain in the courtyard of a residential building
building, courtyard, fountain

What are the keywords in the following sentence? a morning looking out over the sea
look, morning, sea

What are the keywords in the following sentence? number painted on a concrete surface
number, paint, surface