( ( ( the metals ) ( in ( Group 2 ) ) ) ( of ( the ( periodic table ) ) ) )
(ROOT (NP (NP (NP (DT the) (NNS metals)) (PP (IN in) (NP (NNP Group) (CD 2)))) (PP (IN of) (NP (DT the) (JJ periodic) (NN table)))))
the metals in Group 2 of the periodic table
(ROOT (S (NP (NP (NNP Group) (CD 13)) (PP (IN of) (NP (DT the) (JJ periodic) (NN table)))) (VP (VBZ is) (ADVP (RB also)) (VP (VBN called) (NP (DT the) (DT the) (NN boron) (NN group)))) (. .)))