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.
Text: But Tian and others say Google has lost basically all ground in most of its major services, especially search and video streaming, to Chinese players such as Internet giants Baidu , Tencent, Alibaba and Qihoo 360 .
user
industry: Baidu, Internet
assistant