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.

While some of the Tokyo spend this year and last has been amortized just a couple of million in the period to June this year, the bulk of it will remain on the balance sheet until the games takes place in 2021 and we begin to recognize the games revenue.

Answer: location_of_formation: begin, Tokyo