An article explains that Al Gore enlisted for the Vietnam War out of fealty to his father and distaste for draft  Gore deplored the inequity of the rich not having to serve.
( ( An article ) ( ( explains ( that ( ( Al Gore ) ( ( ( enlisted ( for ( ( the ( Vietnam War ) ) ( out ( of fealty ) ) ) ) ) ( to ( his ( ( father and ) distaste ) ) ) ) ( for ( ( draft Gore ) ( deplored ( ( ( the inequity ) ( of ( the rich ) ) ) ( not ( having ( to serve ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT An) (NN article)) (VP (VBZ explains) (SBAR (IN that) (S (NP (NNP Al) (NNP Gore)) (VP (VBD enlisted) (PP (IN for) (NP (NP (DT the) (NNP Vietnam) (NNP War)) (PP (RB out) (IN of) (NP (NN fealty))))) (PP (TO to) (NP (PRP$ his) (NN father) (CC and) (NN distaste))) (PP (IN for) (NP (NP (NNP draft) (NNP Gore)) (VP (VBN deplored) (NP (NP (DT the) (NN inequity)) (PP (IN of) (NP (DT the) (JJ rich))) (S (RB not) (VP (VBG having) (S (VP (TO to) (VP (VB serve)))))))))))))) (. .)))
Gore enlisted during Vietnam.
( Gore ( ( enlisted ( during Vietnam ) ) . ) )
(ROOT (S (NP (NNP Gore)) (VP (VBD enlisted) (PP (IN during) (NP (NNP Vietnam)))) (. .)))