Relative deprivation refers to a state of mind produced by people who have similar status with themselves but are not completely equal to themselves. According to the above definition, which of the following is feelings of relative deprivation? ['The number of people participating in the student union election has doubled compared to previous years, Xiaoyan feels more pressure for the election.', 'Wang returned from a famous overseas school and always felt that he could not exert his talents and abilities in the unit.', 'Xiao Zhang often completes various tasks well, others in the project team think that Xiao Zhang just likes to express himself.', 'Xiao Yang originally thought that his job was good, but after attending the classmates meeting, he felt that there was no future compared to his classmates.']