Greens of Serbia
In early 2014 the ZS had signed political cooperation with the New Democratic Party , a political fraction of the Democratic Party led by its former leader and the nation's president Boris Tadić . 
<triplet> Democratic Party <subj> Boris Tadić <obj> chairperson <triplet> Boris Tadić <subj> New Democratic Party <obj> member of political party <subj> Democratic Party <obj> member of political party