Given the input sentence, please extract the subject and object containing a certain relation in the sentence according to the following relation types, in the format of "relation1: word1, word2; relation2: word3, word4". Relations include: product/material produced; manufacturer; distributed by; industry; position held; original broadcaster; owned by; founded by; distribution format; headquarters location; stock exchange; currency; parent organization; chief executive officer; director/manager; owner of; operator; member of; employer; chairperson; platform; subsidiary; legal form; publisher; developer; brand; business division; location of formation; creator.

AGCO products are sold through five core equipment brands, Challenger ® , Fendt ® , GSI ® , Massey Ferguson ® and Valtra ® and are distributed globally through a combination of approximately 3,100 independent dealers and distributors in more than 140 countries.

Answer: parent_organization: Valtra, AGCO; owner_of: AGCO, Valtra; parent_organization: Massey Ferguson, AGCO; owner_of: AGCO, Massey Ferguson; owned_by: Massey Ferguson, AGCO; owned_by: Valtra, AGCO; parent_organization: Fendt, AGCO; owner_of: AGCO, Fendt; owned_by: Fendt, AGCO