function bnode = reset_ess_softmax(bnode)
% RESET_ESS_SOFTMAX  Reset the Expected Sufficient Statistics of a softmax node.
% bnode = reset_ess_softmax(bnode)

bnode.parent_vals = []; % X(l,:) = value of parents in l'th example
bnode.self_vals = []; % Y(l,:) = value of self in l'th example
bnode.num_samples = 0;
