to show for their labor , living harmoniously , joined in song 
(ROOT (S (VP (VP (TO to) (VP (VB show) (PP (IN for) (NP (PRP$ their) (NN labor))))) (, ,) (VP (VBG living) (ADVP (RB harmoniously))) (, ,) (VP (VBD joined) (PP (IN in) (NP (NN song)))))))
(ROOT (S (VP (VP (TO ) (VP (VB ) (PP (IN ) (NP (PRP$ ) (NN ))))) (, ) (VP (VBG ) (ADVP (RB ))) (, ) (VP (VBD ) (PP (IN ) (NP (NN )))))))