Sentence:  From April onwards, however, the <WSD>antireservation</WSD> agitation and communal riots took place simultaneously. During that month, the <WSD>antireservation</WSD> agitation spread to Saraspur and Gomtipur in the industrial belt; [...] 
Meaning of the word marked with <WSD> tags:  Opposing (India's system of reserving seats in government and in higher educational institutions) for certain underprivileged groups.