Utilize the input text as a context reference, choose the right relationship between 'Tullow Oil' and 'oil company' from the options.
Options: distributed by, headquarters location, industry, platform

Tullow Oil (LSE: TLW.L - news ) led the fallers, declining 8.67% to 222.20p while fellow oil company Premier Oil (LSE: PMO.L - news ) was not far behind, falling by 7.81% to 116.80p.
industry