The Pan-Green Coalition parties, consisting of the Democratic Progressive Party (DPP) and the Taiwan Solidarity Union, are more hostile to the policy, as they view Taiwan as a country separate from China. The former ROC President, Chen Shui-bian of the DPP, regards acceptance of the "One China" principle as capitulation to the PRC, and prefers to view it as nothing more than a topic for discussion, in opposition to the PRC's insistence that the "One China" principle is a prerequisite for any negotiation.