( ( STOMATA ( As ( defined ( by ( the ( Merriam-Webster dictionary ) ) ) ) ) ) ( , ( ( a stoma ) ( ( is ( ( one ( of ( ( the ( minute openings ) ) ( in ( ( the epidermis ) ( of ( a ( plant organ ) ) ) ) ) ) ) ) ( ( through which ) ( ( gaseous interchange ) ( takes place ) ) ) ) ) . ) ) ) )
(ROOT (S (PP (NP (NNP STOMATA)) (IN As) (S (VP (VBN defined) (PP (IN by) (NP (DT the) (JJ Merriam-Webster) (NN dictionary)))))) (, ,) (NP (DT a) (NN stoma)) (VP (VBZ is) (NP (NP (CD one)) (PP (IN of) (NP (NP (DT the) (JJ minute) (NNS openings)) (PP (IN in) (NP (NP (DT the) (NNS epidermis)) (PP (IN of) (NP (DT a) (NN plant) (NN organ))))))) (SBAR (WHPP (IN through) (WHNP (WDT which))) (S (NP (JJ gaseous) (NN interchange)) (VP (VBZ takes) (NP (NN place))))))) (. .)))
STOMATA As defined by the Merriam-Webster dictionary, a stoma is one of the minute openings in the epidermis of a plant organ through which gaseous interchange takes place.
(ROOT (S (NP (NP (DT The) (NNS epidermis)) (PP (IN of) (NP (DT a) (NN leaf)))) (VP (VBZ contains) (NP (NP (NNS openings)) (VP (VBN known) (PP (IN as) (NP (NP (NN stomata)) (, ,) (SBAR (WHPP (IN through) (WHNP (WDT which))) (S (NP (NP (DT the) (NN exchange)) (PP (IN of) (NP (NNS gases)))) (VP (VBZ takes) (NP (NN place)))))))))) (. .)))