( ( In ( ( the case ) ( of ( a ( fluid food ) ) ) ) ) ( , ( ( ( ( transparency and ) depth ) ( of ( the ( fluid column ) ) ) ) ( ( become ( critical factors ) ) . ) ) ) )
(ROOT (S (PP (IN In) (NP (NP (DT the) (NN case)) (PP (IN of) (NP (DT a) (JJ fluid) (NN food))))) (, ,) (NP (NP (NN transparency) (CC and) (NN depth)) (PP (IN of) (NP (DT the) (JJ fluid) (NN column)))) (VP (VBP become) (NP (JJ critical) (NNS factors))) (. .)))
In the case of a fluid food, transparency and depth of the fluid column become critical factors.
(ROOT (S (NP (NNP Depth) (CC and) (NNP density)) (VP (VBP influence) (NP (NP (DT the) (NN pressure)) (PP (IN of) (NP (NNS fluids))))) (. .)))