Complex sentence: The children mention their discomfort to Chef, who initally chastises them before asking "why" they were so uncomfortable-and after telling the principal what had actually been done, he is ordered to attend a tolerance seminar for not accepting Garrison for who he is.
Split into simpler sentences: The children mention their discomfort to Chef, who initially chastises them before asking "why" they were so uncomfortable. Chef reports Garrison's actions to the principal, but he is ordered to attend a tolerance seminar for not accepting Garrison for who he is.