federal energy regulators on Tuesday alleged traders at the U.S. arm of French energy company Total SA (Paris: FR0000120271 - news ) manipulated the natural gas market in the southwestern United States between June 2009 and June 2012.
Utilize the input text as a context reference, choose the right relationship between 'energy company' and 'natural gas' from the options.
Options: creator, product/material produced, developer, director/manager