Lensk (Russian: Ленск ; ] ; Yakut: Лиэнскэй , "Lienskey") is a town and the administrative center of Lensky District of the Sakha Republic, Russia, located on the left bank of the Lena River, approximately 840 km west of Yakutsk, the capital of the republic. As of the 2010 Census, its population was 24,966.

Based on that paragraph can we conclude that this sentence is true?
24,966 people moved away from Lensk

pick from the following. (a). Yes. (b). It's impossible to say. (c). No.
(c).