If she was Alone/Talking to an unidentified individual: Ketuvot 13a-b, 16a
"Lo MiPeeha Anu Chayyin [We don't depend on her]" vs. "Haameid Ishah Al Chezkatah [Depend on her Established Situation]": Ketuvot 13a-14b
If she says that she was raped, which will forbid her to her Kohen husband: Yevamot 112a
