Why do people work?
People work for a number of reasons.  To earn an income and to pay bills are a few reasons that come to mind.  But some people do it simply because they enjoy it and are passionate about the career they are pursing.
Instruction: Why do people work?
Context: 
Response: People work for a number of reasons.  To earn an income and to pay bills are a few reasons that come to mind.  But some people do it simply because they enjoy it and are passionate about the career they are pursing.