Selective contact means that the audience does not treat any media and content indiscriminately when they are exposed to mass communication activities, but prefers to contact those who are consistent or close to their existing positions, opinions, and attitudes, or Intentionally or unintentionally avoid media or content that contradicts your existing tendencies. According to the above definitions, Which of the following are "selective contacts":. ['Group activities of the sunset red series tour launched by travel agencies are welcomed by many retired people.', 'The best-selling people for weight loss products are those who are losing weight, not those who are planning to lose weight.', 'The first thing a junior high school political teacher, Wang, goes home every day is to watch the news webcast.', 'Director Zhao respects humanistic management and often participates in humanistic orientation training courses in psychology.']