Among the following cadres: three have been trained at the grassroots level, four are from Shandong, two are from Jinan, and five are graduates. The above situation involved all the staff who held the meeting, and Jinan was not a graduate. Then, the total number of people who held the meeting was:. ['Minimum 5 persons, maximum 12 persons.', 'Minimum 7 persons, maximum 12 persons.', 'Minimum 5 persons, maximum 14 persons.', 'Minimum 7 people, maximum 14 people.']