Fat tail effect refers to the phenomenon that the extreme situation in the statistical sense is often abnormal. According to the above definition, Which of the following phenomena are fat tail effects:. ['The welfare lottery betting station of Xingfu Community has won the first prize in five consecutive periods.', "The science and technology champions of the college entrance examination in J province this year are all girls. Everyone can't help but feel that now the boys can't pass the girls.", 'Affected by El Niño, heavy rain once in a century occurred in many parts of southern China.', 'In the current table tennis competition, the previous champion Pharaoh played abnormally and was eliminated in the first round, which was a shocking surprise.']