Sentence:  At the time of the Bangkok floods in 2011, the store was a center for distributing goods donated through <WSD>Red Shirt</WSD> organizations. 
Meaning of the word marked with <WSD> tags:  A member of the UDD (National United Front for Democracy), supporters of Prime Minister  Shinawatra, (and subsequently Abhisit Vejajiva) in the conflict in Thailand after the 2006 coup d'etat.