positive={'满意', '慷慨'};
negative={'失望', '吝啬'}
count=0;
for i=1:length(positive)
for j=1:length(negative)
count=count+1;
StimInd(count).o1=positive{i};
StimInd(count).o2=negative{j};
count=count+1
StimInd(count).o1=negative{j};
StimInd(count).o2=positive{i};
end
end