(a) Huong and Byron are shareholders in HBP Ltd (HBP), a large, listed company. Between them they hold 400 ordinary shares. They are unhappy with HBP's environmental record. At the annual general meeting, Byron asks the board two questions on HBP's mining operations. He considers the answers given to be totally inadequate. He wants to ask further questions about HBP's offshore drilling operations. Is the Chair obliged to allow Byron time to ask these questions? (