What are the keywords in the following sentence? do your homework and measure the room before buying a sofa .
buy, room, sofa

What are the keywords in the following sentence? footage of first quarter moon during the day with clouds passing in front .
cloud, front, pass

What are the keywords in the following sentence? a fight breaks out among the players during the match .
break, fight, match

What are the keywords in the following sentence? float passes by in the parade
float, parade, pass