WURCS=2.0/2,4,3/[u2211m][u1211m_4*N]/1-1-1-2/a?|b?|c?|d?}-{a?|b?|c?|d?_a?|b?|c?|d?}-{a?|b?|c?|d?_a?|b?|c?|d?}-{a?|b?|c?|d?