Cameco (Swiss: CCO.SW - news ) , a Canadian uranium producer, Mitsubishi of Japan and Areva (Paris: FR0011027143 - news ) , the French nuclear group, are among those expected to bid.
Refer to the input text as context and select the correct relationship between 'Cameco' and 'uranium' from the available options.
Options: product/material produced, distribution format, brand, currency