Take context from the input text and decide on the accurate relationship between 'Murphy Oil' and 'Petroleum' from the options provided.
Options: distribution format, chairperson, product/material produced, legal form

In next week's reports Chevron Corp, Exxon Mobil and Murphy Oil are seen beating consensus estimates while ConocoPhillips, Range Resources and Occidental Petroleum could miss consensus, according to Thomson Reuters data.
product/material produced