( ( Under ( cell relay ) ) ( , ( ( all frames ) ( ( are ( a ( small ( , ( fixed size ) ) ) ) ) . ) ) ) )
(ROOT (S (PP (IN Under) (NP (NN cell) (NN relay))) (, ,) (NP (DT all) (NNS frames)) (VP (VBP are) (NP (DT a) (JJ small) (, ,) (JJ fixed) (NN size))) (. .)))
Under cell relay, all frames are a small, fixed size.
(ROOT (S (NP (DT All) (NNS cells)) (VP (VBP have) (NP (NP (DT the) (JJ small) (NN size)) (PP (IN in) (NP (JJ common))))) (. .)))