What are the keywords in the following sentence? A group of tourist wait for a museum to open.
open, tourist, wait

What are the keywords in the following sentence? The agent looks away, shifting his anxious gaze.
agent, gaze, shift

What are the keywords in the following sentence? a fishing boat is arriving at the harbour with a catch
arrive, boat, harbour

What are the keywords in the following sentence? a couple of buildings and a white clock
building, clock, couple