NEH-supported exhibitions were distinguished by their elaborate wall panels--educational maps, photomurals, stenciled treatises--which competed with the objects themselves for space and attention.
( ( NEH-supported exhibitions ) ( ( were ( distinguished ( by ( ( ( their ( elaborate ( wall panels ) ) ) ( -- ( ( ( ( ( ( educational maps ) , ) photomurals ) , ) ( stenciled treatises ) ) -- ) ) ) ( which ( ( competed ( with ( ( the objects ) themselves ) ) ) ( for ( ( space and ) attention ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (JJ NEH-supported) (NNS exhibitions)) (VP (VBD were) (ADJP (JJ distinguished) (PP (IN by) (NP (NP (PRP$ their) (JJ elaborate) (NN wall) (NNS panels)) (PRN (: --) (NP (NP (JJ educational) (NNS maps)) (, ,) (NP (NNS photomurals)) (, ,) (NP (JJ stenciled) (NNS treatises))) (: --)) (SBAR (WHNP (WDT which)) (S (VP (VBD competed) (PP (IN with) (NP (NP (DT the) (NNS objects)) (ADVP (PRP themselves)))) (PP (IN for) (NP (NN space) (CC and) (NN attention)))))))))) (. .)))
The wall panels in the exhibition are louder and more noticeable than the actual objects themselves. 
( ( ( The ( wall panels ) ) ( in ( the exhibition ) ) ) ( ( ( are ( ( louder and ) ( more noticeable ) ) ) ( than ( ( the ( actual objects ) ) themselves ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (NN wall) (NNS panels)) (PP (IN in) (NP (DT the) (NN exhibition)))) (VP (VBP are) (ADJP (ADJP (JJR louder)) (CC and) (ADJP (RBR more) (JJ noticeable))) (PP (IN than) (NP (NP (DT the) (JJ actual) (NNS objects)) (ADVP (PRP themselves))))) (. .)))