Yes, that is the core here. He asked: Mark my daughter's answer as correct. They said: We can either: Mark her wrong, everyone else right; or mark her right a

Yes, that is the core here. He asked: Mark my daughter's answer as correct. They said: We can either: Mark her wrong, everyone else right; or mark her right and everyone else wrong. He said: Well if you don't want to just mark her right and everyone else too, if you can't accept that the question may have multiple answers, then do what you must.