Tencent (HKSE: 0700-OL.HK - news ) , which makes the WeChat software -- used by 500 million in China -- said it had repaired the flaw and that there had been "no theft (or) leakage of users' information or money."
In the context of the input sentence, determine the relationship between 'Tencent' and 'WeChat'.
Options: developer, operator, subsidiary, director/manager