( So ( ( the ( ( sun and ) moon ) ) ( ( appear ( to ( be ( ( ( the ( same size ) ) as ) ( seen ( from ( the earth ) ) ) ) ) ) ) . ) ) )
(ROOT (S (IN So) (NP (DT the) (NN sun) (CC and) (NN moon)) (VP (VBP appear) (S (VP (TO to) (VP (VB be) (VP (ADVP (NP (DT the) (JJ same) (NN size)) (RB as)) (VBN seen) (PP (IN from) (NP (DT the) (NN earth)))))))) (. .)))
So the sun and moon appear to be the same size as seen from the earth.
(ROOT (S (NP (NP (DT The) (NN sun)) (CC and) (NP (DT the) (NN moon))) (VP (VBP appear) (S (VP (TO to) (VP (VB be) (PP (IN about) (NP (NP (DT the) (JJ same) (NN size)) (PP (IN in) (NP (DT the) (NN sky))))) (SBAR (IN because) (S (NP (DT the) (NN moon)) (VP (VP (VBZ is) (ADJP (JJR smaller)) (PP (IN in) (NP (NN diameter)))) (CC and) (VP (VBZ is) (ADJP (ADJP (JJR closer)) (PP (TO to) (NP (NN earth)))) (PP (IN than) (NP (DT the) (NN sun))))))))))) (. .)))