Read the following context and choose the best option to answer the question.
Context: There is also a circulation person in the lobby to help people who do n't want to use the self - checkout stations . Also in the lobby is the " Customer Service " window where people go to pay fines and deal with other problems / requests . I looked in there . It was clean .
Question: What may be the reason why they looked to make sure things were clean ?
Options: 
- To be sure the employees did their job .
 - None of the above choices .
 - To be sure no one knows they stole something .
 - To be sure that the cameras did n't see them .


To be sure the employees did their job .