( ( ( ( The ( focal point ) ) ( of ( this ( shape lens ) ) ) ) ( -LRB- ( plano-convex -RRB- ) ) ) ( ( ( is considerably ) ( below ( the leaf ) ) ) . ) )
(ROOT (S (NP (NP (NP (DT The) (JJ focal) (NN point)) (PP (IN of) (NP (DT this) (NN shape) (NN lens)))) (PRN (-LRB- -LRB-) (NP (NNP plano-convex)) (-RRB- -RRB-))) (VP (VBZ is) (ADVP (RB considerably)) (PP (IN below) (NP (DT the) (NN leaf)))) (. .)))
The focal point of this shape lens (plano-convex) is considerably below the leaf.
(ROOT (S (NP (NP (DT The) (NN lens)) (PP (IN of) (NP (DT the) (NN eye)))) (VP (VBZ is) (S (NP (DT a) (-LRB- -LRB-) (NN n) (-RRB- -RRB-) (NN convex)) (VP (VB shape)))) (. .)))