five left-wing factions united
... that seeking to challenge both Fatah and Hamas, five left-wing factions united to jointly contest the 2016 Palestinian local elections, which have since been postponed?
... that seeking to challenge both <a href="./Fatah" id="mwAw0" rel="mw:WikiLink" title="Fatah">Fatah</a> and <a href="./Hamas" id="mwAw4" rel="mw:WikiLink" title="Hamas">Hamas</a>, <b id="mwAw8"><a href="./Democratic_Alliance_List" id="mwAxA" rel="mw:WikiLink" title="Democratic Alliance List">five left-wing factions united</a></b> to jointly contest the <a class="mw-redirect" href="./Palestinian_local_elections,_2017" id="mwAxE" rel="mw:WikiLink" title="Palestinian local elections, 2017">2016 Palestinian local elections</a>, which have since been postponed?