Use reasoning to lead to the answer of the following question:
Billy's boss told him to get a book from a high shelf, so he took a stepladder from what?\nOptions:\n- store room\n- tool shed\n- hardware store\n- construction worker's vehicle\n- library

store room
A person can get a stepladder from the store room.

Billy took a stepladder from store room when his boss told him to get a book from a high shelf.

.

The answer: store room