( ( ( The ( primary differences ) ) ( result ( from ( ( the type ) ( of yeast ) ) ) ) ) ( ( the brewer ) ( ( uses ( in ( making ( the beer ) ) ) ) . ) ) )
(ROOT (S (S (NP (DT The) (JJ primary) (NNS differences)) (VP (VBP result) (PP (IN from) (NP (NP (DT the) (NN type)) (PP (IN of) (NP (NN yeast))))))) (NP (DT the) (NN brewer)) (VP (VBZ uses) (PP (IN in) (S (VP (VBG making) (NP (DT the) (NN beer)))))) (. .)))
The primary differences result from the type of yeast the brewer uses in making the beer.
(ROOT (S (NP (NNP Beer) (NNS brewers)) (VP (VBP add) (NP (NN yeast)) (PP (TO to) (NP (DT the) (NN wort) (S (VP (TO to) (S (VP (TO to) (VP (VB make) (NP (NN alcohol)))))))))) (. .)))