What are the keywords in the following sentence? masted ship moored in port on an overcast day
day, moor, ship

What are the keywords in the following sentence? Small, tight bathroom with a flush tank hanging on wall above toilet
bathroom, tank, toilet

What are the keywords in the following sentence? portrait of a mother embracing her daughter at the beach
beach, daughter, embrace

What are the keywords in the following sentence? butterfly waits for another to emerge from its chrysalis
butterfly, chrysalis, emerge