Problem: What are the most important words?
buildings known as structure are an example of architecture in the city
Answer: architecture, city, structure

Problem: What are the most important words?
arrow on a circle like a variant of male symbol free icon
Answer: arrow, circle, icon

Problem: What are the most important words?
the diving boat of field of study is spacious and there is enough room for the divers
Answer:
field, room, study