Тестовое задание

Three friends (Donald, Bob and Catherine) want to dine out. They may choose among an Italian, a Mexican and a Vietnamese restaurant. Their ordinal preferences are as follows:

i) Donald: Italian < Mexican < Vietnamese

ii) Bob: Vietnamese < Italian < Mexican

iii) Catherine: Mexican < Vietnamese < Italian

You are advising Catherine and want to guide her set up a voting system to make the group of friends pick the Italian restaurant. Which of the following would you suggest: