Choose from options: Determine if the sentence is true based on the text below:
SUPPORTERS of Recep Tayyip Erdogan waved only one flag.

Istanbul SUPPORTERS of Recep Tayyip Erdogan waved flags in the streets while opponents banged pots and pans in protest in their homes, after a narrow referendum victory gave the Turkish president sweeping powers and laid the nation's divisions bare. The referendum will bring the
Options are:
 A). Yes;
 B). It's impossible to say;
 C). No;