Input (grade 7): THQ ran a competition in January 2007 offering the winners the chance to play the beta version of S.T.A.L.K.E.R., in a 24 hour marathon session.
Output (grade 6): THQ ran a competition in January 2007 offering the lucky winners the chance to play the beta version of S.T.A.L.K.E. R, in a 24 hour marathon session.