SEOUL, Feb 15 (Reuters) - A North Korean food crisis appears to have deteriorated, South Korea said on Wednesday, as a newspaper reported that North Korea has cut rations to its soldiers for the first time in more than two decades. South Korea's Unification Minister Kwon Young-se said recent North Korean media reports of leader Kim Jong Un's daughter appearing at state functions could be aimed at drumming up unity and shoring up loyalty to the ruling family amid deepening humanitarian woes. See here for a complete list of exchanges and delays