Utilize the input text as a context reference, choose the right relationship between Baidu and search engine from the options. Options: 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.

Baidu Inc., China’s largest Internet search engine operator, slid 15 percent in New York Tuesday after projecting weaker-than-expected sales amid the economic slowdown.

Answer: product_or_material_produced