(S (S (S (BASENP (DT A) (NN rescue) (NN operation)) (VP (VBZ is) (ADJP (JJ underway)))) (SBAR (IN after) (S (S (NP (BASENP (JJ sixteen-year-old) (NNP American) (NNP Abby) (NNP Sunderland)) (PRN (COMMA ,) (VP (VBG attempting) (S (VP (TO to) (VP (VP (VB sail) (PP (IN around) (BASENP (DT the) (NN world)))) (PP (IN by) (BASENP (PRP herself))))))) (COMMA ,))) (VP (VBD lost) (NP (BASENP (NN contact)) (PP (IN with) (BASENP (PRPD her) (NN family)))))) (SBAR (IN while) (FRAG (PP (IN in) (BASENP (DT the) (NNP Indian) (NNP Ocean)))))))) (PERIOD .))