( I ( ( think ( ( the ( main components ) ) ( were ( raisins ( , ( ( water and ) yeast ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP I)) (VP (VBP think) (SBAR (S (NP (DT the) (JJ main) (NNS components)) (VP (VBD were) (NP (NNS raisins) (, ,) (NN water) (CC and) (NN yeast)))))) (. .)))
I think the main components were raisins, water and yeast.
(ROOT (S (NP (NNP Water)) (VP (VBZ is) (NP (NP (DT the) (JJ main) (NN component)) (PP (IN of) (NP (NN milk))))) (. .)))