( However ( , ( ( based ( ( on ( the data ) ) ( so far ) ) ) ( , ( ( the team ) ( ( is ( confident ( these ( are ( ( true moons ) ( of Uranus ) ) ) ) ) ) . ) ) ) ) ) )
(ROOT (S (ADVP (RB However)) (, ,) (PP (VBN based) (PP (IN on) (NP (DT the) (NNS data)) (ADVP (RB so) (RB far)))) (, ,) (NP (DT the) (NN team)) (VP (VBZ is) (ADJP (JJ confident) (SBAR (S (NP (DT these)) (VP (VBP are) (NP (NP (JJ true) (NNS moons)) (PP (IN of) (NP (NNP Uranus))))))))) (. .)))
However, based on the data so far, the team is confident these are true moons of Uranus.
(ROOT (S (NP (NNS Uranus)) (VP (VBZ is) (ADJP (RB so) (JJ faint)) (SBAR (IN because) (S (NP (PRP it)) (VP (VBZ is) (ADVP (RB far) (RB away)))))) (. .)))