Sentence:  The safe at Ingleside District Station stands next to the gum machine in a narrow passageway that leads to Captain Harris 's office ( to the left ) , the lieutenant 's <WSD>office</WSD> ( farther along and to the left ) and the janitor 's supply closet ( straight ahead ) . 
Meaning of the word marked with <WSD> tags:  place of business where professional or clerical duties are performed