Complex sentence: Australia, Fiji, the Federated States of Micronesia, New Zealand, Papua New Guinea, Samoa, Tonga and Vanuatu whilst Republic of China (Taiwan), has diplomatic relations with the other six.
Split into simpler sentences: Australia, Fiji, the Federated States of Micronesia, New Zealand, Papua New Guinea, Samoa, Tonga and Vanuatu. The Republic of China (Taiwan), by contrast, has diplomatic relations with the other six.