so he donates a lot not everything but a lot of the material then what he doesn't donate we just go out and buy
( so ( he ( ( ( donates ( a lot ) ) ( not ( everything ( but ( ( a lot ) ( of ( the material ) ) ) ) ) ) ) ( then ( what ( he ( ( does n't ) ( ( ( donate ( we ( just ( go out ) ) ) ) and ) buy ) ) ) ) ) ) ) )
(ROOT (SBAR (IN so) (S (NP (PRP he)) (VP (VBZ donates) (NP (DT a) (NN lot)) (PP (RB not) (NP (NP (NN everything)) (PP (CC but) (NP (NP (DT a) (NN lot)) (PP (IN of) (NP (DT the) (NN material))))))) (SBAR (ADVP (RB then)) (WHNP (WP what)) (S (NP (PRP he)) (VP (VBZ does) (RB n't) (VP (VP (VB donate) (S (NP (PRP we)) (ADVP (RB just)) (VP (VB go) (PRT (RP out))))) (CC and) (VP (VB buy))))))))))
Much of the material, but not all of it, is donated by him.
( ( Much ( of ( ( ( ( the material ) , ) ( but not ) ) ( all ( of it ) ) ) ) ) ( , ( ( is ( donated ( by him ) ) ) . ) ) )
(ROOT (S (NP (NP (RB Much)) (PP (IN of) (NP (NP (DT the) (NN material)) (, ,) (CONJP (CC but) (RB not)) (NP (NP (DT all)) (PP (IN of) (NP (PRP it))))))) (, ,) (VP (VBZ is) (VP (VBN donated) (PP (IN by) (NP (PRP him))))) (. .)))