Fewer were seen as involved in worthwhile activities that truly engaged them.
( Fewer ( ( were ( seen ( as ( ( involved ( in ( worthwhile activities ) ) ) ( that ( truly ( engaged them ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (JJR Fewer)) (VP (VBD were) (VP (VBN seen) (ADJP (RB as) (VBN involved) (PP (IN in) (NP (JJ worthwhile) (NNS activities))) (SBAR (WHNP (WDT that)) (S (ADVP (RB truly)) (VP (VBD engaged) (NP (PRP them)))))))) (. .)))
A large percentage of the participants were truly engaged with them.
( ( ( A ( large percentage ) ) ( of ( the participants ) ) ) ( ( ( were truly ) ( engaged ( with them ) ) ) . ) )
(ROOT (S (NP (NP (DT A) (JJ large) (NN percentage)) (PP (IN of) (NP (DT the) (NNS participants)))) (VP (VBD were) (ADVP (RB truly)) (VP (VBN engaged) (PP (IN with) (NP (PRP them))))) (. .)))