( It ( ( is ( in ( ( group Ia ) ( of ( the ( periodic table ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP It)) (VP (VBZ is) (PP (IN in) (NP (NP (NN group) (NN Ia)) (PP (IN of) (NP (DT the) (JJ periodic) (NN table)))))) (. .)))
It is in group Ia 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)))) (. .)))