H's recruitment team has a term of two years, and each year consists of five people. Three of the five are from five executives John, Jones, Mary, Anne, and Adam, and two are from three senior engineers. Lun, Tracy McGrady, and Peter. Each year, one member of the group serves as the group leader. The member who serves as the group leader in the first year must leave the group the following year. In addition, the group must meet the following requirements: Lun cannot be a member of the group in the same year; (2) Each year, there is one and only one of Annie and Ellen. Ellen served as the group leader in the first year,. Of the following options, who must participate in the group in the second year? ['Jones, Annie.', 'Jones, Peter.', 'Annie, Tracy McGrady.', 'Adam, Peter.']