What are the keywords in the following sentence? politician and his wife are greeted by an enthusiastic crowd upon their arrival .
crowd, greet, politician, wife

What are the keywords in the following sentence? A bicyclist and cars wait at a busy intersection.
bicyclist, car, intersection, wait

What are the keywords in the following sentence? Adult giraffe with offspring in structured zoo enclosure.
enclosure, giraffe, offspring

What are the keywords in the following sentence? Two giraffes and three zebras standing in an enclosure.
enclosure, giraffes, zebra