The lawsuit brought by subsidiaries of Imperial Tobacco (LSE: IMT.L - news ) Group, Reynolds American Inc (NYSE: RAI - news ) and Altria against the FDA in the U.S. District Court for the District of Columbia is the second this year over the directive.
In the context of the input sentence, determine the relationship between 'Altria' and 'Tobacco'.
Options: position held, product/material produced, creator, distribution format