What are the keywords in the following sentence? saturn is the sixth planet in our solar system and has planetary rings with moons
planet, ring, saturn

What are the keywords in the following sentence? tennis player looks on during day
day, look, player

What are the keywords in the following sentence? portrait of a girl dressed up as an angel for a procession
angel, dress, procession

What are the keywords in the following sentence? two people are packing some things into some boxes in a large living room
pack, room, thing