Question: Phi Fa is a ghost in the folklore of the country that is bordered by what country on its southwest?
Sentence (from "Phi Fa"): It is also known as "Nang Fa" (นางฟ้า) or "Phi Thaen" (ผีแถน) and is often represented as a malevolent woman related to the cannibalistic pop "phi".
Relevant evidence: No