What are the keywords in the following sentence? smoke seen rising from the fire at the apartments .
apartment, fire, smoke

What are the keywords in the following sentence? type of place of worship in the forbidden city with blue sky
city, place, type

What are the keywords in the following sentence? a tutor and a student working together at a table in the school library .
library, student, tutor

What are the keywords in the following sentence? The legs and half of the trunk of a large elephant
elephant, leg, trunk