(QT (DQL ``) (QTC (S (BASENP (PRP I)) (VP (VBP understand) (SBAR (WHNP (WP what)) (S (BASENP (NNS immigrants)) (VP (VBP have) (S (VP (TO to) (VP (VP (VB go) (PRT (RP through))) (S (VP (TO to) (VP (VB reach) (SBAR (WHNP (WP what)) (S (BASENP (PRP they)) (VP (VBP want))))))))))))))) (PERIOD .)) (DQR ''))