Once upon a time, from a strange island, only M and N people lived on the island. The M people never spoke the truth, the N people always told the truth. One day, Xiao Zhang came to this island and encountered the island. Xiao Zhang asked A: "Are you from the M ethnic group?" A responded. According to the answer from A. "A is not an M ethnic group. " C said: "A is indeed an M ethnic group. ". According to the above statement, how many of the three people can Xiao Xiao meet? ['.', '.', '.', '.']