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))))) (. .)))
Although there have been advances our work isn't completed yet.
( ( Although ( there ( have ( been advances ) ) ) ) ( ( our work ) ( ( ( is n't ) ( completed yet ) ) . ) ) )
(ROOT (S (SBAR (IN Although) (S (NP (EX there)) (VP (VBP have) (VP (VBN been) (NP (NNS advances)))))) (NP (PRP$ our) (NN work)) (VP (VBZ is) (RB n't) (VP (VBN completed) (ADVP (RB yet)))) (. .)))