rtokens: Tickets for the game stipulate that supporters will be barred if they are " under the effects of alcohol " .
pos: IN EX VBP DT VBN NNS IN DT NN , DT NN VBZ VBN IN JJ NN NN NNS NNS .
tokens: Although there are no known precedents in the country , the action is envisaged in Spanish legislation governing sports events .
ltokens: Spanish police will breathalyse fans at the gates of the Santiago Bernabeu stadium and ban drunk supporters from Saturday 's big Real Madrid-Barcelona game , the Madrid daily El Mundo said on Friday .