In the context of the input sentence, determine the relationship between 'Altria' and 'Tobacco'.
Options: position held, product/material produced, creator, distribution format

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.
product/material produced