What are the keywords in the following sentence? boxer in the ring trains fast punches .
boxer, punch, ring

What are the keywords in the following sentence? family laughing on the sofa at home
family, home, laugh

What are the keywords in the following sentence? The room is furnished with antique furniture of different types..
furnish, furniture, room

What are the keywords in the following sentence? the sum of all chemical processes that occur in an organism .
occur, organism, process