Complex sentence: The United Nations Economic and Social Council (ECOSOC;,) is one of the principal organs of the United Nations, responsible for coordinating the economic, social and related work of 14 UN specialized agencies, their functional commissions and five regional commissions.
Split into simpler sentences: The United Nations Economic and Social Council (ECOSOC;,) constitutes one of the principal organs of the United Nations. It is responsible for coordinating the economic, social and related work of 14 UN specialized agencies, their functional commissions and five regional commissions.