What are the keywords in the following sentence? yachts and motor boats moored at the marina in harbour
boat, harbour, marina, moor, yacht

What are the keywords in the following sentence? Large pizza covered in pepperoni, olives, peppers, onion, and mushrooms.
mushroom, olive, onion, pepperoni, pizza

What are the keywords in the following sentence? flying over beautiful green landscape with a river flowing .
flow, fly, landscape, river

What are the keywords in the following sentence? A pizza covered in sauce and lots of toppings.
cover, lot, pizza