Caroline, the CEO of Environtech, is announcing the Employee of the Year award at the annual international conference. There are 3 nominees that have been selected out of 7400 employees across 3 countries. What information is unnecessary for Caroline to include in her award presentation?

a) The reasons that the award winner was chosen
b) Nominees from the previous years
c) Names and teams of each nominee
d) The characteristics, skills, and qualities the award recognizes