Both Alice and Judy didn't go to school A

Both Alice and Judy didn't go to school A
用Either...or...改写句子
Ans(1)
Either Alice or Judy went to school.
Ans(2)
Either Alice or Judy didn't go to school.
哪个正确,或都正确.
然后再变换句型。
我本以为这个句子简直是小儿科，可是仔细看，越来越迷惑了，有英语教师给完整的解释 文法方面的。