rtokens: Hooded protesters threw burning bottles and other objects at police in Pamplona after the protest organised by Herri Batasuna , the political wing of Basque separatist group ETA .
pos: JJ NNS VBD IN NNP PRP VBD VBN CD NNS CC VBD JJR IN CD JJ NNS IN NNS IN DT NN IN DT NNP NN IN NNP POS NN .
tokens: Spanish police said on Friday they had arrested five people and seized more than 90 petrol bombs during disturbances after a protest in the Basque country against Spain 's constitution .
ltokens: MADRID 1996-12-06