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.
Take context from the input text and decide on the accurate relationship between 'energy company' and 'natural gas' from the options provided.
Options: product/material produced, developer, director/manager, creator