What are the keywords in the following sentence? a small boat leaves the harbour
boat, harbour, leave

What are the keywords in the following sentence? Firemen always work with fire.
fire, fireman, work

What are the keywords in the following sentence? a partially open gate leading into a garden
garden, gate, lead

What are the keywords in the following sentence? chickens have been selectively bred over the years for increased size and muscle .
chicken, increase, size