( ( ( ( Orbital plane ) ( ( Most planets ) ( orbit ( in ( the ( same plane ) ) ) ) ) ) , ) ( ( called ( the ecliptic ) ) . ) )
(ROOT (S (NP (NP (JJ Orbital) (NN plane)) (RRC (ADVP (RBS Most) (JJ planets)) (NP (NP (NN orbit)) (PP (IN in) (NP (DT the) (JJ same) (NN plane))))) (, ,)) (VP (VBD called) (NP (DT the) (NN ecliptic))) (. .)))
Orbital plane Most planets orbit in the same plane, called the ecliptic .
(ROOT (S (NP (DT The) (NN orbital)) (VP (VBZ is) (NP (NP (DT the) (NN area)) (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))))))))))) (. .)))