(S (S (BASENP (NNP Preston)) (VP (VBZ recalls) (SBAR (IN that) (S (PP (IN on) (NP (BASENP (NNP October) (NN 18)) (COMMA ,) (BASENP (NN 2005)))) (S (BASENP (PRP he)) (VP (VBD received) (NP (BASENP (DT a) (NN notice)) (S (VP (TO to) (VP (VP (VB go) (PP (TO to) (BASENP (DT the) (NN post) (NN office)))) (CC and) (VP (VP (VB pick) (PRT (RP up))) (NP (BASENP (DT another) (NN letter)) (SBAR (WHNP (WDT which)) (S (BASENP (PRP he)) (VP (MD must) (VP (VB sign) (PP (IN for)))))))))))))))))) (PERIOD .))