What are the keywords in the following sentence? a small stream running down in the middle
middle, run, stream

What are the keywords in the following sentence? this window seat in an enclosed porch offers extra seating and storage .
seat, seating, storage

What are the keywords in the following sentence? Two sheep laying in th middle of an open field.
field, lay, sheep

What are the keywords in the following sentence? a man with chains during a protest against slavery in front of the embassy .
embassy, front, protest