Although these advances are encouraging, our work is far from complete.
( ( Although ( ( these advances ) ( are encouraging ) ) ) ( , ( ( our work ) ( ( is ( far ( from complete ) ) ) . ) ) ) )
(ROOT (S (SBAR (IN Although) (S (NP (DT these) (NNS advances)) (VP (VBP are) (ADJP (VBG encouraging))))) (, ,) (NP (PRP$ our) (NN work)) (VP (VBZ is) (ADVP (RB far) (PP (IN from) (ADJP (JJ complete))))) (. .)))
There have been advances such as mastering time travel and instant teleportation.
( There ( ( have ( been ( advances ( such ( as ( ( ( mastering ( time travel ) ) and ) ( instant teleportation ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (EX There)) (VP (VBP have) (VP (VBN been) (NP (NP (NNS advances)) (PP (JJ such) (IN as) (NP (NP (JJ mastering) (NN time) (NN travel)) (CC and) (NP (JJ instant) (NN teleportation))))))) (. .)))