From the Index: Average number of public school students expelled each school day last year for gun  34.
( ( From ( the Index ) ) ( : ( ( ( ( Average number ) ( of ( public ( school students ) ) ) ) ( ( ( expelled ( each ( school day ) ) ) ( last year ) ) ( for ( gun 34 ) ) ) ) . ) ) )
(ROOT (FRAG (PP (IN From) (NP (DT the) (NNP Index))) (: :) (NP (NP (NP (JJ Average) (NN number)) (PP (IN of) (NP (JJ public) (NN school) (NNS students)))) (VP (VBN expelled) (NP (DT each) (NN school) (NN day)) (NP (JJ last) (NN year)) (PP (IN for) (NP (NN gun) (CD 34))))) (. .)))
The number of school students expelled is dependent on the availability of guns.
( ( ( The number ) ( of ( ( school students ) expelled ) ) ) ( ( is ( dependent ( on ( ( the availability ) ( of guns ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (NN number)) (PP (IN of) (NP (NP (NN school) (NNS students)) (VP (VBN expelled))))) (VP (VBZ is) (ADJP (JJ dependent) (PP (IN on) (NP (NP (DT the) (NN availability)) (PP (IN of) (NP (NNS guns))))))) (. .)))