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.

General Motors also clarified that the construction work will not affect the production schedules for Chevrolet Tahoes and Suburbans, GMC Yukons and Yukon XLs and Cadillac Escalades.General Motors aims to manufacture and supply the best SUVs in the market.

Answer: parent_organization: GMC, General Motors; owned_by: GMC, General Motors