Which sentence is the best explanation of how food surpluses led to job specialization during the Neolithic Revolution?

Extra food meant that not everyone had to produce food for a living.

A good sentence that explains the specialization of labor during Neolithic revolution is the following:

Food surplus resulting from the Neolithic agrarian revolution allowed different people in a community to focus in a few different tasks and perform them very well, in order to improve the outputs of the community and the general quality of life.