struggling to give themselves a better lot in life than the ones 
(ROOT (S (VP (VBG struggling) (S (VP (TO to) (VP (VB give) (NP (PRP themselves)) (NP (NP (DT a) (JJR better) (NN lot)) (PP (IN in) (NP (NN life))) (PP (IN than) (NP (DT the) (NNS ones))))))))))
(ROOT (S (VP (VBG ) (S (VP (TO ) (VP (VB ) (NP (PRP )) (NP (NP (DT ) (JJR ) (NN )) (PP (IN ) (NP (NN ))) (PP (IN ) (NP (DT ) (NNS ))))))))))