TASK DEFINITION: In this task, You are given an open-domain question that can be answered based on factual information. Your task is to provide \*short\* answer (in a few words only) for the given question. The short answer can be one or more entities or it can also be boolean \*yes\* or \*no\*.
PROBLEM: who was ancient china's main enemy that lived to the north

SOLUTION: Sui Dynasty

PROBLEM: where did the phrase you can get blood out of a turnip come from

SOLUTION: Matt (Casey) Jones

PROBLEM: who wrote light my fire by the doors

SOLUTION:
John Densmore