Complex sentence: Guests sometimes take offence at Kyle's comments, one guest even attempting to throw a chair at him, whilst another threw an envelope at the back of his head, but he often justifies his criticism by claiming that he only wants to help them.
Split into simpler sentences: Guests sometimes take offence at Kyle's comments, with one guest attempting to throw a chair at him while another threw an envelope at the back of his head. He often justifies his criticism by claiming that he only wants to help them.