( It ( ( ( will also ) ( discuss ( Earth ( s ( changing ( ( ( ( ( climate , ) ( the ( five ( great ( Ice Ages ) ) ) ) ) , ) ( as ( well as ) ) ) ( ( , ( ( the various ) ( major extinctions ) ) ) ( of life ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP It)) (VP (MD will) (ADVP (RB also)) (VP (VB discuss) (SBAR (S (NP (NNP Earth)) (VP (VBZ s) (VP (VBG changing) (NP (NP (NP (NN climate)) (, ,) (NP (DT the) (CD five) (JJ great) (NN Ice) (NNS Ages))) (, ,) (CONJP (RB as) (RB well) (IN as)) (NP (NP (, ,) (NP (DT the) (JJ various)) (JJ major) (NNS extinctions)) (PP (IN of) (NP (NN life))))))))))) (. .)))
It will also discuss Earth s changing climate, the five great Ice Ages, as well as, the various major extinctions of life.
(ROOT (S (NP (EX There)) (VP (VBP have) (VP (VBN been) (NP (CD five) (JJ major) (JJ massive) (NNS extinctions)) (SBAR (IN since) (S (NP (NN life)) (VP (VBD began) (PP (IN on) (NP (NN earth)))))))) (. .)))