Complex sentence: Australia and North Korea first established diplomatic ties in 1974, but the following year Pyongyang inexplicably expelled Australia's ambassador and shut its embassy in Canberra after a short stay of 11 months.
Split into simpler sentences: Australia and North Korea first established diplomatic ties in 1974. But the following year Pyongyang inexplicably expelled Australia's ambassador and shut its embassy in Canberra after a short stay of 11 months.