( ( ( A ( special type ) ) ( of ( ( X-ray apparatus ) ( that ( demonstrates ( ( an ( ( organ or ) tissue ) ) ( at ( a ( particular depth ) ) ) ) ) ) ) ) ) . )
(ROOT (NP (NP (DT A) (JJ special) (NN type)) (PP (IN of) (NP (NP (NN X-ray) (NN apparatus)) (SBAR (WHNP (WDT that)) (S (VP (VBZ demonstrates) (NP (NP (DT an) (NN organ) (CC or) (NN tissue)) (PP (IN at) (NP (DT a) (JJ particular) (NN depth))))))))) (. .)))
A special type of X-ray apparatus that demonstrates an organ or tissue at a particular depth.
(ROOT (S (NP (NNS Roundworms)) (VP (VBP exemplify) (NP (NP (JJ organ-level) (NN organization)) (, ,) (SBAR (WHADVP (WRB where)) (S (NP (NP (QP (CD two) (CC or) (JJR more)) (NNS types)) (PP (IN of) (NP (NNS tissues)))) (VP (VBP work) (ADVP (RB together)) (S (VP (TO to) (VP (VB perform) (NP (DT a) (JJ particular) (NN function)) (PP (IN as) (NP (DT an) (NN organ))))))))))) (. .)))