Provisional Government (1868–1871)
It was a coalition of 3 parties : the Unión Liberal headed by Francisco Serrano , the Progressive Party headed by Juan Prim and the Democratic Party . 
<triplet> Francisco Serrano <subj> Unión Liberal <obj> member of political party <triplet> Progressive Party <subj> Democratic Party <obj> followed by <triplet> Juan Prim <subj> Progressive Party <obj> member of political party