1. The plaintiffs' claims against the defendants are all dismissed.

2. The costs of lawsuit are assessed against the plaintiffs.

1. The following facts may be found either as a matter of dispute between the parties or as a whole as a whole in each entry in Eul evidence Nos. 1, 2, and 3 (including branch numbers if they have serial numbers):

On April 30, 2012, Defendant C-building project partnership (hereinafter “Defendant Association”) entered into a construction contract with Defendant Geum River Construction Co., Ltd. (hereinafter “Defendant Company”) to implement C-building improvement project (hereinafter “instant improvement project”) at the size of 3,104.702 square meters in Incheon Seo-gu, Seo-gu, Incheon (hereinafter “instant improvement project”), and the main contents are as follows.

Article 2 [Scope of Construction] The scope of construction works to be performed by the Defendant Company shall be the scope of construction works, such as apartment houses, sales facilities, appurtenant welfare facilities, etc., on the land provided by the Defendant Cooperative, provided by the head of the competent local government.

Article 3 [Obligation between Parties] 4] The greaterm Co., Ltd. (the joint and several sureties of the Defendant Co., Ltd., hereinafter referred to as “Cumulativem”).

(1) Obligations (1) The Defendant Union provides the Defendant Company with the land in Seo-gu Incheon, owned by the Defendant Union and its members, and is supplied as a substitute for the apartment and sales facilities, ancillary and welfare facilities, etc. newly built in return therefor.

5) The head of the Defendant Company and the member of the Defendant Company have the right to sell, operate, and lease buildings (general sale of buildings refers to buildings with the exception of buildings newly constructed in lieu of payment to the members of the Defendant Company, and the profits remaining after being appropriated as construction costs and business expenses from general sale of buildings and bonds not recovered from the Defendant Company or other property to the Defendant Company or from other property to the Defendant Company shall belong to the column.

B. The instant case.