What are the keywords in the following sentence? football player gives away a penalty for putting in a dangerous tackle on man
give, penalty, player, tackle

What are the keywords in the following sentence? A bathroom contains a toilet and urinal divided by a wall.
bathroom, divide, toilet, wall

What are the keywords in the following sentence? As he is sitting prominently around someone's desk, the salesman starts several paces.
desk, salesman, sit

What are the keywords in the following sentence? A clock mounted on the side of a yellow wall.
clock, mount, wall