(S (S (BASENP (DT The) (JJ social) (NN networking) (NN site)) (VP (VBD admitted) (SBAR (S (BASENP (DT this)) (VP (VBZ is) (ADJP (JJ double) (SBAR (WHNP (WP what)) (S (BASENP (PRP they)) (VP (VBD anticipated) (BASENP (JJ last) (NN year))))))))))) (PERIOD .))