In a tea house, a table of people is drinking tea and talking about business. One of them is Baoding, two are northerners, one in Shenzhen, two are only engaged in the timber business, and four are engaged in the electronics business. If the above description refers to all the people at the table, then how few and most people at this table might be? ['The minimum maybe 6 people, and the maximum maybe 10 people.', 'May be at least 6 people, and maybe up to 9 people.', 'It can be at least 4 people, and it can be up to 9 people.', 'Unsure.']