(S (S (BASENP (NNP Google)) (VP (VBZ has) (VP (ADVP (RB also)) (VP (ADVP (RB recently)) (VP (VBN introduced) (NP (BASENP (DT a) (NN feature)) (VP (VBN known) (PP (IN as) (NP (QT (DQL ``) (QTC (BASENP (NNP My) (NNP Search) (NNP History)) (COMMA ,)) (DQR '')) (SBAR (WHNP (WDT which)) (S (VP (VBZ allows) (S (BASENP (NNS users)) (VP (TO to) (VP (VB record) (BASENP (PRPD their) (NNS searches))))))))))))))))) (PERIOD .))