Read the text and determine if the sentence is true (see options at the end):

Olson, 62, previously worked as a partner at Ernst & Young LLP, as a Minnesota bank president and as a congressional aide, before joining the Fed board in 2001, to serve a term ending in 2010.

Sentence: Olson only had one political position prior to joining the Fed board.
pick from the following.
i. Yes;
ii. It's impossible to say;
iii. No;