( This ( ( is ( ( a ( common problem ) ) ( when ( you ( have ( ( many files ) ( of ( a ( small size ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT This)) (VP (VBZ is) (NP (NP (DT a) (JJ common) (NN problem)) (SBAR (WHADVP (WRB when)) (S (NP (PRP you)) (VP (VBP have) (NP (NP (JJ many) (NNS files)) (PP (IN of) (NP (DT a) (JJ small) (NN size))))))))) (. .)))
This is a common problem when you have many files of a small 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))))) (. .)))