( ( Although ( there ( are ( ( many ( different kinds ) ) ( of gourds ) ) ) ) ) ( there ( ( are ( two ( main types ) ) ) . ) ) )
(ROOT (S (SBAR (IN Although) (S (NP (EX there)) (VP (VBP are) (NP (NP (JJ many) (JJ different) (NNS kinds)) (PP (IN of) (NP (NNS gourds))))))) (NP (EX there)) (VP (VBP are) (NP (CD two) (JJ main) (NNS types))) (. .)))
Although there are many different kinds of gourds there are two main types.
(ROOT (S (NP (EX There)) (VP (VBP are) (NP (NP (CD two) (JJ different) (JJ main) (NNS types)) (PP (IN of) (NP (NN diabetes))))) (. .)))