What are the keywords in the following sentence? cargo ship at a pier with loading cranes in port
pier, port, ship

What are the keywords in the following sentence? cute pupil playing violin in classroom at the elementary school
classroom, pupil, violin

What are the keywords in the following sentence? image titled send a text message to your email step
image, send, step, title

What are the keywords in the following sentence? fog rises over lake at sunrise outside the colonial city
city, lake, sunrise