Answer
Roza Otunbayeva was part of the April Revolution. This was a revolution that occurred in Kyrgyzstan in 2005 and resulted in the ousting of President Askar Akayev. The revolution was triggered by widespread discontent with Akayev's government, which was accused of corruption and authoritarianism. The revolution was led by Otunbayeva, who was then the Speaker of the Kyrgyz Parliament.