What are the keywords in the following sentence? The bathroom is very dark, the chain to flush the toilet is on the wall.
bathroom, chain, toilet

What are the keywords in the following sentence? teenagers hanging out on the street at half term outside restaurant
hang, restaurant, street

What are the keywords in the following sentence? biological species lived during the quaternary period
live, period, specie

What are the keywords in the following sentence? the small buds will open out into pinkish red flowers
bud, flower, open