This is serious!!!!!!!!!!!help!!!!!!!!…

my sister is 11 years and wieghs more than 113 pounds!!!!!!!!!!!!!!!!!!!!!!and shes very very fat!(very!).nothing is helping ,plz ohh plz hlp someone she might get to fat and.....................................… and evry one is laughing at her making fun she comes crying!what should she do we brought her the best thing for losing wieght she does 100 a day (its a sit up thing).plz tell me .she loves to eat she cant hlp it she cant diet anyone know what in the world i should do?i mean i only wiegh 68 pds.she 113!!!!!!!!!!!!!!!!!!!OMG plz hlp!