In this task, given a sentence in English Tokens, your task is to convert it into the English language
One example: The adult literacy program Read Santa Clara marked its tenth anniversary today with a gathering of program participants , staff , and supporters from the community .
Solution is here: The adult literacy program Read Santa Clara marked its tenth anniversary today with a gathering of program participants, staff, and supporters from the community.
Explanation: The above sentence is correctly translated from English Tokens to English

Now, solve this: A California study , however , showed evidence that in areas where aerial spraying occurred , infection was six times less likely to occur .
Solution:
A California study, however, showed evidence that in areas where aerial spraying occurred, infection was six times less likely to occur.