( Orbitals ( ( are ( regions ( around ( ( the nucleus ) ( where ( ( a ( high probability ) ) ( exists ( of ( finding electrons ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNS Orbitals)) (VP (VBP are) (NP (NP (NNS regions)) (PP (IN around) (NP (NP (DT the) (NN nucleus)) (SBAR (WHADVP (WRB where)) (S (NP (DT a) (JJ high) (NN probability)) (VP (VBZ exists) (PP (IN of) (S (VP (VBG finding) (NP (NNS electrons)))))))))))) (. .)))
Orbitals are regions around the nucleus where a high probability exists of finding electrons.
(ROOT (S (NP (DT The) (NN orbital)) (VP (VBZ is) (NP (NP (DT the) (NN region)) (VP (VBN called) (SBAR (WHADVP (WRB where)) (S (NP (DT an) (NN electron)) (VP (VBZ is) (ADJP (RBS most) (JJ likely) (S (VP (TO to) (VP (VB be) (VP (VBN found)))))))))))) (. .)))