Intellectual motivation method: also known as brainstorming method, brainstorming method. A collective creative method that produces creative ideas in the form of group discussions. According to the above definition, which of the following is intellectual stimulation methods? ['Press conference of the State Council.', 'A small range of new product introductions.', 'Symposium of the sales team on opening up new markets.', 'Company manager reports to the board of directors on production and sales performance.']