def tripleProductionData(): ''' Return data corresponding to a tree (root-0)--dep-->(child-1) ''' root = DependenciesTree("root-0") child = DependenciesTree("child-1",dependency="dep",parent=root) root.child = [child] nodeToID = {root:0, child:1} bt = TriplesBucket() return (root,nodeToID,bt)