What was the question for this implicit rationale, and corresponding answer?
This is the relevant information: "In the Pines", also known as "Where Did You Sleep Last Night?" and "Black Girl", is a traditional American folk song originating from two songs, "In the Pines" and "The Longest Train", both of which whose authorship is unknown and date back to at least the 1870s (though some contend an older, Irish history).
 The answer: In the Pines
The question: "In the Pines", also known as "Where Did You Sleep Last Night?" and "Black Girl", is a traditional American folk song originating from two songs, "In the Pines" and "The Longest Train", both of which whose authorship is unknown and date back to at least the 1870s (though some contend an older, Irish history). The songs originated in the Southern Appalachian area of the United States in the contiguous areas of Eastern Tennessee and Kentucky, Western North Carolina and Northern Georgia.

Answer this question: where did you sleep last night folk song?