could bond while watching a walk to remember . 
(ROOT (S (VP (MD could) (VP (VB bond) (SBAR (IN while) (S (VP (VBG watching) (NP (NP (DT a) (NN walk)) (SBAR (S (VP (TO to) (VP (VB remember))))))))))) (. .)))
(ROOT (S (VP (MD ) (VP (VB ) (SBAR (IN ) (S (VP (VBG ) (NP (NP (DT ) (NN )) (SBAR (S (VP (TO ) (VP (VB ))))))))))) (. )))