Bertoli also rates Tingyi Holding Corp (a maker of instant noodles and beverages in China), Astro Malaysia Holdings (a pay-TV provider), the Hong Kong-listed Beijing Capital International Airport and Sinopec Kantons Holdings (an oil terminal and pipeline provider in China).
Analyze the relationship between 'Sinopec' and 'Beijing' within the context of the input sentence.
Options: subsidiary, headquarters location, industry, currency