It is the latest in a string of acquisitions by Alibaba as Ma seeks to diversify the huge New York-listed company, which is facing domestic competition from Internet giants Baidu (Xetra: A0F5DE - news ) and Tencent (HKSE: 0700-OL.HK - news ) and remains relatively unknown outside China.
Analyze the relationship between 'Baidu' and 'Internet' within the context of the input sentence.
Options: industry, operator, creator, business division