Complex sentence: During the occupation, Payne commented that they would "be here for as long as it takes" however he further remarked that his group was not violent, but it was possible that the standoff could turn violent.
Split into simpler sentences: During the occupation, Payne commented that they would "be here for as long as it takes". However, he further remarked that his group was not violent, but it was possible that the standoff could turn violent.