What are the keywords in the following sentence? traffic sign prohibiting thoroughfare of lorries .
lorry, prohibit, sign, thoroughfare

What are the keywords in the following sentence? a car packed full of several pieces of luggage.
luggage, pack, piece

What are the keywords in the following sentence? ship in open sea is showing the bow in a summer day
day, sea, ship

What are the keywords in the following sentence? a thatched cottage built out of stone with a beautiful hedge in the garden
build, garden, stone