And what in the world is one to make of William Butler Yeats's startling revelation in his poem Lapis Lazuli (from Last Poems ) that
( ( And ( what ( ( in ( the world ) ) ( ( is one ) ( to ( make ( of ( ( ( William ( Butler ( Yeats 's ) ) ) ( startling revelation ) ) ( in ( his poem ) ) ) ) ) ) ) ) ) ) ( ( Lapis ( Lazuli ( -LRB- ( ( from ( Last Poems ) ) -RRB- ) ) ) ) that ) )
(ROOT (SINV (S (CC And) (NP (WDT what)) (PP (IN in) (NP (DT the) (NN world))) (VP (VBZ is) (NP (CD one)) (S (VP (TO to) (VP (VB make) (PP (IN of) (NP (NP (NP (NNP William) (NNP Butler) (NNP Yeats) (POS 's)) (JJ startling) (NN revelation)) (PP (IN in) (NP (PRP$ his) (NN poem)))))))))) (VP (VBZ Lapis) (NP (NP (NNP Lazuli)) (PRN (-LRB- -LRB-) (PP (IN from) (NP (JJ Last) (NNS Poems))) (-RRB- -RRB-)))) (NP (DT that))))
We are to love Lapis Lazuli. 
( We ( ( are ( to ( love ( Lapis Lazuli ) ) ) ) . ) )
(ROOT (S (NP (PRP We)) (VP (VBP are) (S (VP (TO to) (VP (VB love) (NP (NNP Lapis) (NNP Lazuli)))))) (. .)))