Complex sentence: In December 1982, the Thai army Commander in Chief accepted the Communist Party of Thailand flag at a ceremony held in Banbak for publicity purposes where communist fighters and supporters handed in their weapons and swore allegiance to the government.
Split into simpler sentences: In December 1982, the Thai army Commander in Chief accepted flag of the Communist Party of Thailand at a widely-publicized ceremony held in Banbak. Here, communist fighters and their supporters handed in their weapons and swore allegiance to the government.