Definition: In this task, you will be presented with a passage and have to answer a question based on your understanding of the events inferred from the passage. Try to find the best answer that is most likely to fill in "_". Note that the URLs in the text have been replaced with [Link].
Input: (CNN) Fethullah Gulen, the reclusive cleric accused by Turkey of hatching a military coup attempt, concedes that his supporters could have been involved in the putsch but again denied any direct connection. "There might have been some sympathetic people [to Gulen] among them," he told CNN's Fareed Zakaria in an interview. President Recep Tayyip Erdogan has pointed the finger of blame for the failed uprising squarely at Gulen. A bitter rival of the embattled President, Gulen is the leader of a popular movement called Hizmet. But the government refers to his group as the "Fethullah Gulen Terrorist Organization." The 77-year-old imam, who left Turkey for the United States in 1999, has been living in self-imposed exile in Saylorsburg, Pennsylvania.President Recep Tayyip Erdogan has pointed the finger of blame for the failed uprising squarely at GulenGulen calls for international organization to investigate government claims connecting him to the coup attempt 
 Question:But Gulen has repeatedly denied government claims he has directed sympathizers to destabilize the _ regime.

Recep Tayyip Erdogan