As you mentioned already, Russian suspension agreement has been in effect in one form or another since I think 1992 and came out of an anti-dumping action started by U.S. uranium producers back brand Cameco is U.S. uranium mining subsidiaries, power resources in Wyoming and resources in Nebraska, have been active participants in the discussions and negotiations concerning the RSA since auctioned back then, and that continues today.
Analyze the relationship between 'Cameco' and 'mining' within the context of the input sentence.
Options: product/material produced, headquarters location, industry, owned by