( ( A ( Galiean telescope ) ) ( ( consists ( of ( ( ( a ( concave lens ) ) and ) ( a ( convex lens ) ) ) ) ) . ) )
(ROOT (S (NP (DT A) (NNP Galiean) (NN telescope)) (VP (VBZ consists) (PP (IN of) (NP (NP (DT a) (JJ concave) (NN lens)) (CC and) (NP (DT a) (NN convex) (NN lens))))) (. .)))
A Galiean telescope consists of a concave lens and a convex lens.
(ROOT (S (NP (DT The) (ADJP (RBS most) (JJ common)) (JJ two-lens) (NN telescope)) (, ,) (PP (IN like) (NP (DT the) (JJ simple) (NN microscope))) (, ,) (VP (VBZ uses) (NP (NN convex) (NNS lenses))) (. .)))