Complex sentence: Khai was born in Tan Thong Hoi Commune, Củ Chi District, Saigon, joined the revolution in1947 and moved to Hanoi in 1954.
Split into simpler sentences: Khai was born in Tan Thong Hoi Commune, Củ Chi District, Saigon. He joined the revolution in 1947 and moved to Hanoi in 1954.