original_query: What did Fiona Hill testify about the narrative pushed by Republican members regarding Ukraine's interference in the 2016 U.S. election?
query: What did Fiona Hill testify about the narrative pushed by Republican members regarding Ukraine's interference in the 2016 U.S. election?
answer: Fiona Hill testified that the narrative pushed by Republican members that Ukraine, not Russia, interfered in the 2016 U.S. election "is a fictional narrative that has been perpetrated and propagated by the Russian security services themselves."