In reaction to the ongoing uncertainty, the E.U. enlargement commissioner warned the Turkish Army about interfering: "It is important that the military leaves the remit of democracy to the democratically-elected government and this is the test case if the Turkish armed forces respect democratic secularism and the democratic arrangement of civil-military relations," commissioner Olli Rehn said. Erdogan and Gül support Turkey's efforts to join the European Union.
Can we infer the following?
Olli Rehn is the EU enlargement commissioner. 

Choices:
(I). Yes.
(II). It's impossible to say.
(III). No.
The answer is:
(I).