What are the keywords in the following sentence? fans invade the pitch during the match
fan, invade, match, pitch

What are the keywords in the following sentence? basic subway tile installed in a herringbone pattern .
instal, pattern, tile

What are the keywords in the following sentence? The men continue fighting one another in the middle of a large crowd.
continue, crowd, fight

What are the keywords in the following sentence? the tattoo i want on my foot .
foot, tattoo, want