( Then ( ( ( comes ( to ( a ( third kiss ) ) ) ) ( underwater ( in ( ( an ( air bubble ) ) ( made ( by Percy ) ) ) ) ) ) . ) )
(ROOT (SINV (ADVP (RB Then)) (VP (VBZ comes) (PP (TO to) (NP (DT a) (JJ third) (NN kiss)))) (NP (NP (JJ underwater)) (PP (IN in) (NP (NP (DT an) (NN air) (NN bubble)) (VP (VBN made) (PP (IN by) (NP (NNP Percy))))))) (. .)))
Then comes to a third kiss underwater in an air bubble made by Percy.
(ROOT (S (NP (DT An) (JJ underwater) (NN spider)) (VP (VBZ uses) (NP (JJ shiny) (NN air) (NN bubble) (S (VP (TO to) (VP (VP (VB breathe)) (CC and) (VP (VB keep) (ADJP (JJ alive)))))))) (. .)))