What are the keywords in the following sentence? decorated panels and stained glass
glass, panel, stain

What are the keywords in the following sentence? Fresh mushrooms, tomatoes and green pepper are the vegetable toppings on this pizza.
mushroom, tomato, topping

What are the keywords in the following sentence? A scientist is doing a tutorial explaining the germs of a handshake.
explain, handshake, scientist

What are the keywords in the following sentence? these are the sort of colours i want on a tattoo
sort, tattoo, want