( ( Although ( ( the body ) ( needs ( ( only ( a ( small amount ) ) ) ( of ( vitamin B12 ) ) ) ) ) ) ( , ( there ( ( is ( ( no ( vitamin B12 ) ) ( in ( ( any food ) ( grown ( in ( the soil ) ) ) ) ) ) ) . ) ) ) )
(ROOT (S (SBAR (IN Although) (S (NP (DT the) (NN body)) (VP (VBZ needs) (NP (NP (RB only) (DT a) (JJ small) (NN amount)) (PP (IN of) (NP (NNP vitamin) (NNP B12))))))) (, ,) (NP (EX there)) (VP (VBZ is) (NP (NP (DT no) (NN vitamin) (NN B12)) (PP (IN in) (NP (NP (DT any) (NN food)) (VP (VBN grown) (PP (IN in) (NP (DT the) (NN soil)))))))) (. .)))
Although the body needs only a small amount of vitamin B12, there is no vitamin B12 in any food grown in the soil.
(ROOT (S (S (NP (NNS Vitamins)) (VP (VBP are) (NP (NP (DT the) (JJ organic) (NNS compounds)) (SBAR (IN that) (S (NP (DT the) (NN body)) (VP (VBZ needs) (PP (IN in) (NP (JJ small) (NNS amounts))) (S (VP (TO to) (VP (VB function) (ADVP (RB properly))))))))))) (: ;) (S (NP (NNS humans)) (VP (VBP need) (NP (CD 13) (JJ different) (NNS ones)))) (. .)))