Supported by government grants, private foundations, and law firms
( Supported ( by ( ( ( ( ( ( government grants ) , ) ( private foundations ) ) , ) and ) ( law firms ) ) ) )
(ROOT (VP (VBN Supported) (PP (IN by) (NP (NP (NN government) (NNS grants)) (, ,) (NP (JJ private) (NNS foundations)) (, ,) (CC and) (NP (NN law) (NNS firms))))))
Government grants are not part of the funding equation.  
( ( Government grants ) ( ( ( are not ) ( part ( of ( the ( funding equation ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Government) (NNS grants)) (VP (VBP are) (RB not) (NP (NP (NN part)) (PP (IN of) (NP (DT the) (NN funding) (NN equation))))) (. .)))