( ( ( Smallest ( square-shaped component ) ) ( of ( ( a ( 2D symbol ) ) ( in ( ( ( light or ) dark ) contrasting ) ) ) ) ) ( ( shades ( capable ( of ( being ( detected ( by ( a ( 2D reader ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (JJ Smallest) (JJ square-shaped) (NN component)) (PP (IN of) (NP (NP (DT a) (CD 2D) (NN symbol)) (PP (IN in) (NP (ADJP (JJ light) (CC or) (JJ dark)) (NNS contrasting)))))) (VP (VBZ shades) (ADJP (JJ capable) (PP (IN of) (S (VP (VBG being) (VP (VBN detected) (PP (IN by) (NP (DT a) (CD 2D) (NN reader))))))))) (. .)))
Smallest square-shaped component of a 2D symbol in light or dark contrasting shades capable of being detected by a 2D reader.
(ROOT (S (PP (IN In) (NP (DT a) (JJ pedigree) (NN chart))) (NP (DT the) (NNS squares) (NN shape)) (VP (VBZ symbolizes) (NP (NNS males))) (. .)))