Task: Named Entity Recognition
Input (English):  Recent studies in animal models elucidated a central role of alpha - MSH in the regulation of food intake by activation of the brain melanocortin - 4 - receptor ( MC4 - R ; refs 3 - 5 ) and the linkage of human obesity to chromosome 2 in close proximity to the POMC locus , led to the proposal of an association of POMC with human obesity .
Output (English): obesity