What are the keywords in the following sentence? People holding letters at an event spell the word "krunch"
letter, spell, word

What are the keywords in the following sentence? Several different types of vegetables laying together including cabbage.
lay, type, vegetable

What are the keywords in the following sentence? biological species with an open beak and ruffled feathers
feather, ruffle, specie

What are the keywords in the following sentence? a city entertain a city on saturday with supporters reaching the stadium by trains
city, reach, train