Input (grade 12): 1990 & ndash; A Chinese airline Boeing 737-247 is hijacked; after landing at Guangzhou, it crashes into two airliners on the ground, killing 132 people.
Output (grade 12): 1990 - A Chinese airline Boeing 737-247 is hijacked; after landing at Guangzhou, crashes into an empty Boeing 707-3J6B and then a Boeing 757-21B on the ground killing 132