Change means that things change or shift in time or space, change or replace, which is completely different from the previous situation. In the following situations, which of the following is consistent with the definition? ['Director Liu transferred, and Chen who succeeded him was completely different from his management.', 'Wild geese will fly to the south for winter in winter.', 'Twenty years later, Xiao Zhao went home to visit her relatives and found that the changes there were so great that she no longer knew the way.', 'Xiao Shen visits Huangshan once a year, and every time he goes, he will have different findings.']