They encourage us to indulge ourselves, and they exhort us to worry about our competence at work.
( ( ( ( ( They ( encourage ( us ( to ( indulge ourselves ) ) ) ) ) , ) and ) ( they ( exhort ( us ( to ( ( worry ( about ( our competence ) ) ) ( at work ) ) ) ) ) ) ) . )
(ROOT (S (S (NP (PRP They)) (VP (VBP encourage) (S (NP (PRP us)) (VP (TO to) (VP (VB indulge) (NP (PRP ourselves))))))) (, ,) (CC and) (S (NP (PRP they)) (VP (VBP exhort) (S (NP (PRP us)) (VP (TO to) (VP (VB worry) (PP (IN about) (NP (PRP$ our) (NN competence))) (PP (IN at) (NP (NN work)))))))) (. .)))
They want us to to indulge ourselves with booze. 
( They ( ( want ( us ( to ( to ( ( indulge ourselves ) ( with booze ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP They)) (VP (VBP want) (S (NP (PRP us)) (VP (TO to) (S (VP (TO to) (VP (VB indulge) (NP (PRP ourselves)) (PP (IN with) (NP (NN booze))))))))) (. .)))