( ( Teacher interns ) ( also ( ( may ( work ( with ( ( ( ( Statler 's ) ( research group ) ) , ) ( which ( is ( exploring ( ( the origins ) ( of ( ( ( elliptical galaxies ) , ) ( one ( of ( ( three types ) ( of ( galaxies ( in ( the universe ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) . ) ) )
(ROOT (S (NP (NNP Teacher) (NNS interns)) (ADVP (RB also)) (VP (MD may) (VP (VB work) (PP (IN with) (NP (NP (NP (NNP Statler) (POS 's)) (NN research) (NN group)) (, ,) (SBAR (WHNP (WDT which)) (S (VP (VBZ is) (VP (VBG exploring) (NP (NP (DT the) (NNS origins)) (PP (IN of) (NP (NP (JJ elliptical) (NNS galaxies)) (, ,) (NP (NP (CD one)) (PP (IN of) (NP (NP (CD three) (NNS types)) (PP (IN of) (NP (NP (NNS galaxies)) (PP (IN in) (NP (DT the) (NN universe))))))))))))))))))) (. .)))
Teacher interns also may work with Statler's research group, which is exploring the origins of elliptical galaxies, one of three types of galaxies in the universe.
(ROOT (S (NP (EX There)) (VP (VBP are) (NP (NP (CD three) (NNS types)) (PP (IN of) (NP (NNS galaxies))))) (. .)))