The President said he remembered such a conversation, and that it reminded him of when he had been an interceptor pilot.
( ( The President ) ( ( said ( ( ( ( he ( remembered ( such ( a conversation ) ) ) ) , ) and ) ( that ( it ( ( reminded him ) ( of ( when ( he ( had ( been ( an ( interceptor pilot ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NNP President)) (VP (VBD said) (SBAR (SBAR (S (NP (PRP he)) (VP (VBD remembered) (NP (PDT such) (DT a) (NN conversation))))) (, ,) (CC and) (SBAR (IN that) (S (NP (PRP it)) (VP (VBD reminded) (NP (PRP him)) (PP (IN of) (SBAR (WHADVP (WRB when)) (S (NP (PRP he)) (VP (VBD had) (VP (VBN been) (NP (DT an) (NN interceptor) (NN pilot)))))))))))) (. .)))
The President spoke about when he had been a pilot.
( ( The President ) ( ( spoke ( about ( when ( he ( had ( been ( a pilot ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NNP President)) (VP (VBD spoke) (PP (IN about) (SBAR (WHADVP (WRB when)) (S (NP (PRP he)) (VP (VBD had) (VP (VBN been) (NP (DT a) (NN pilot)))))))) (. .)))