( equatorial ( ( mounting ( ( A mounting ) ( that ( has ( ( one ( axis parallel ) ) ( to ( ( Earth 's ) ( rotation axis ) ) ) ) ) ) ) ) ; ) )
(ROOT (S (NP (NN equatorial)) (VP (VBG mounting) (NP (NP (DT A) (VBG mounting)) (SBAR (WHNP (WDT that)) (S (VP (VBZ has) (NP (NP (CD one) (NNS axis) (JJ parallel)) (PP (TO to) (NP (NP (NNP Earth) (POS 's)) (NN rotation) (NNS axis))))))))) (: ;)))
equatorial mounting A mounting that has one axis parallel to Earth's rotation axis;
(ROOT (S (NP (PRP It)) (VP (VBZ takes) (NP (NN earth) (CD one) (NN week)) (S (VP (TO to) (VP (VB rotate) (PP (IN on) (NP (PRP$ its) (NNS axis))) (NP (CD seven) (NNS times)))))) (. .)))