( ( The Sun ) ( ( ( ( ( is ( ( a ( typical star ) ) ( of ( the ( G2 class ) ) ) ) ) and ) ( only ( appears ( so bright ) ) ) ) ( because ( it ( is ( ( much closer ) ( to ( Earth ( than ( any ( other star ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NNP Sun)) (VP (VP (VBZ is) (NP (NP (DT a) (JJ typical) (NN star)) (PP (IN of) (NP (DT the) (NN G2) (NN class))))) (CC and) (VP (ADVP (RB only)) (VBZ appears) (ADJP (RB so) (JJ bright))) (SBAR (IN because) (S (NP (PRP it)) (VP (VBZ is) (ADJP (ADJP (RB much) (JJR closer)) (PP (TO to) (NP (NP (NNP Earth)) (PP (IN than) (NP (DT any) (JJ other) (NN star)))))))))) (. .)))
The Sun is a typical star of the G2 class and only appears so bright because it is much closer to Earth than any other star.
(ROOT (S (PP (IN From) (NP (NN earth))) (, ,) (NP (DT the) (NN sun)) (VP (VBZ appears) (NP (NN brighter)) (PP (IN than) (NP (DT any) (JJ other) (NN star))) (SBAR (IN because) (S (NP (DT the) (NN sun)) (VP (VBZ is) (NP (DT the) (JJS closest) (NN star))))))))