甲说乙胖，乙说丙胖，丙和丁都说自己不胖。如果四个的人陈述中只有一个错，那么谁一定胖？

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SQL Error: select id,body,options from ***_enewstiku where sourceid='25796' and id < 2166722 and id<>'2166722' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25796' and id > 2166722 and id<>'2166722' order by id asc limit 5