( ( ( opens ( the eye ) ) ( pupils 61 ) ) . )
(ROOT (S (VP (VBZ opens) (NP (DT the) (NN eye)) (NP (NNP pupils) (CD 61))) (. .)))
opens the eye pupils 61.
(ROOT (S (NP (NP (DT The) (NN opening)) (PP (IN in) (NP (NP (DT the) (NN front)) (PP (IN of) (NP (DT the) (NN eye)))))) (VP (VBZ is) (VP (VBN called) (NP (NN pupil)))) (. .)))