What are the keywords in the following sentence? The sunlight shines through a porthole window over a toilet.
sunlight, toilet, window

What are the keywords in the following sentence? players pay tribute to football player during the fourth round match
match, player, tribute

What are the keywords in the following sentence? boil a full kettle of water
boil, kettle, water

What are the keywords in the following sentence? the thing i love more than all other things is when dogs act like humans .
dog, love, thing