Original sentence: Politics in Sri Lanka are controlled by rival coalitions led by the left-wing Sri Lanka Freedom Party, headed by President Rajapaksa, and the comparatively right-wing United National Party led by former prime minister Ranil Wickremesinghe.Since then Sri Lanka has enjoyed a stable democracy and continuous economic progress, despite the ongoing conflict between the Sri Lankan government and a separatist militant group known as the Tamil Tigers in the northeastern parts of the country.Sri Lanka receives considerable military assistance from Pakistan, China, the United States, the United Kingdom
Edited sentence: Politics in Sri Lanka are controlled by rival coalitions led by the left-wing Sri Lanka Freedom Party, headed by President Rajapaksa, the comparatively right-wing United National Party led by former prime minister Ranil Wickremesinghe and Marxist JVP.Since then Sri Lanka has struggled in maintaining a liberal democracy and stunted economic progress due to the ongoing conflict between the Sri Lankan government and a separatist militant group known as the Tamil Tigers in the northeastern parts of the country.Sri Lanka receives considerable military assistance from Pakistan, China.The economy has also faced cutbacks in foreign aid to due to the resumption of the civil war in 2005 and  increased lawlessness