It's thought he used the same architect who worked on the Taj Mahal.
( It ( ( 's ( thought ( he ( used ( ( the ( same architect ) ) ( who ( worked ( on ( the ( Taj Mahal ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP It)) (VP (VBZ 's) (VP (VBN thought) (SBAR (S (NP (PRP he)) (VP (VBD used) (NP (NP (DT the) (JJ same) (NN architect)) (SBAR (WHNP (WP who)) (S (VP (VBD worked) (PP (IN on) (NP (DT the) (NNP Taj) (NNP Mahal)))))))))))) (. .)))
Everyone thinks he used a different architect from the one who worked on the Taj Mahal.
( Everyone ( ( thinks ( he ( ( used ( a ( different architect ) ) ) ( from ( ( the one ) ( who ( worked ( on ( the ( Taj Mahal ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NN Everyone)) (VP (VBZ thinks) (SBAR (S (NP (PRP he)) (VP (VBD used) (NP (DT a) (JJ different) (NN architect)) (PP (IN from) (NP (NP (DT the) (NN one)) (SBAR (WHNP (WP who)) (S (VP (VBD worked) (PP (IN on) (NP (DT the) (NNP Taj) (NNP Mahal)))))))))))) (. .)))