( ( A fluid ) ( ( ( is ( ( a ( particular phase ) ) ( of matter ) ) ) ( that ( ( deforms ( under shear ) ) ( ( ( stresses and ) includes ) ( ( any type ) ( of ( ( liquid or ) gas ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT A) (NN fluid)) (VP (VBZ is) (NP (NP (DT a) (JJ particular) (NN phase)) (PP (IN of) (NP (NN matter)))) (SBAR (IN that) (S (NP (NP (NNS deforms)) (PP (IN under) (NP (NN shear)))) (VP (VBZ stresses) (CC and) (VBZ includes) (NP (NP (DT any) (NN type)) (PP (IN of) (NP (NN liquid) (CC or) (NN gas)))))))) (. .)))
A fluid is a particular phase of matter that deforms under shear stresses and includes any type of liquid or gas.
(ROOT (S (NP (NNP Fluid)) (VP (VBZ is) (NP (NP (DT the) (NN term)) (PP (IN for) (NP (NP (DT a) (NN state)) (PP (IN of) (NP (NN matter))))) (SBAR (WHNP (WDT that)) (S (VP (VBZ yields) (PP (TO to) (NP (JJ sideways) (CC or) (JJ shearing) (NNS forces)))))))) (. .)))