is it just me or am just didnt notice for the past ep. she's the only one complimented her even though she made a mistake coz other masters just points out their mistake and criticize them
I think it is because they know she can hit those high note, probably she did during interim check. The mentor said that they were disappointed with the highnote but they know Ji Yoon was more disappointed. They did it for her not to lose her confidence and doubt herself.