What are the keywords in the following sentence? the city uses unique parking to prevent cars from accessing specific reserved
access, car, parking, reserve, use

What are the keywords in the following sentence? police block a street by a city following an explosion on monday .
block, explosion, monday, police

What are the keywords in the following sentence? american football player surprises a fan before sports league championship .
fan, player, surprise

What are the keywords in the following sentence? A train with smoke coming into the train depot
come, smoke, train