The campaigns seem to reach a new pool of contributors.
( ( The campaigns ) ( ( seem ( to ( reach ( ( a ( new pool ) ) ( of contributors ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NNS campaigns)) (VP (VBP seem) (S (VP (TO to) (VP (VB reach) (NP (NP (DT a) (JJ new) (NN pool)) (PP (IN of) (NP (NNS contributors)))))))) (. .)))
New people chose to donate to the cause 
( ( New people ) ( chose ( to ( donate ( to ( the cause ) ) ) ) ) )
(ROOT (S (NP (NNP New) (NNS people)) (VP (VBD chose) (S (VP (TO to) (VP (VB donate) (PP (TO to) (NP (DT the) (NN cause)))))))))