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.

At Nintendo he oversaw the launch of the Nintendo DS handheld games machine, the second most successful console ever after Sony’s Playstation 2, and the Nintendo Wii, credited with broadening the appeal of video games to a whole new generation.

Answer: developer: Nintendo DS, Nintendo; manufacturer: Nintendo DS, Nintendo