( ( ( ( Susanna , ) ( Hi Susanna ) ) , ) ( ( , ( ( ( ( Most Earthquakes ) ( on Earth ) ) ( occur ( at ( plate boundaries ) ) ) ) , ) ) ( ( including ( where ( ( plates slide ) ( past ( each other ) ) ) ) ) ( , ( ( ( ( ( spread apart ) , ) or ) collide ) . ) ) ) ) )
(ROOT (S (NP (NP (NNP Susanna)) (, ,) (NP (NNP Hi) (NNP Susanna)) (, ,)) (PRN (, ,) (S (NP (NP (JJS Most) (NNS Earthquakes)) (PP (IN on) (NP (NNP Earth)))) (VP (VBP occur) (PP (IN at) (NP (NN plate) (NNS boundaries))))) (, ,)) (PP (VBG including) (SBAR (WHADVP (WRB where)) (S (VP (VBZ plates) (NP (NN slide)) (PP (IN past) (NP (DT each) (JJ other))))))) (, ,) (VP (VP (VBD spread) (ADVP (RB apart))) (, ,) (CC or) (VP (VBD collide))) (. .)))
Susanna, Hi Susanna, , Most Earthquakes on Earth occur at plate boundaries, including where plates slide past each other, spread apart, or collide.
(ROOT (S (NP (NP (CD Two) (NNS plates)) (VP (VBG sliding))) (VP (MD can) (VP (VB increase) (NP (NP (DT the) (NN occurance)) (PP (IN of) (NP (NNS earthquakes)))))) (. .)))