    To the best of our recollection, this may be the only instance in which the origin of an expression has been traced to a statue.
( ( To ( ( the best ) ( of ( our recollection ) ) ) ) ( , ( this ( ( may ( be ( ( the ( only instance ) ) ( ( in which ) ( ( ( the origin ) ( of ( an expression ) ) ) ( has ( been ( traced ( to ( a statue ) ) ) ) ) ) ) ) ) ) . ) ) ) )
(ROOT (S (PP (TO To) (NP (NP (DT the) (JJS best)) (PP (IN of) (NP (PRP$ our) (NN recollection))))) (, ,) (NP (DT this)) (VP (MD may) (VP (VB be) (NP (NP (DT the) (JJ only) (NN instance)) (SBAR (WHPP (IN in) (WHNP (WDT which))) (S (NP (NP (DT the) (NN origin)) (PP (IN of) (NP (DT an) (NN expression)))) (VP (VBZ has) (VP (VBN been) (VP (VBN traced) (PP (TO to) (NP (DT a) (NN statue))))))))))) (. .)))
The statue in question is in Brazil. 
( ( ( The statue ) ( in question ) ) ( ( is ( in Brazil ) ) . ) )
(ROOT (S (NP (NP (DT The) (NN statue)) (PP (IN in) (NP (NN question)))) (VP (VBZ is) (PP (IN in) (NP (NNP Brazil)))) (. .)))