name,role,start,end
winter,train,2023-01-15T00:00:00,2023-02-18T18:00:00
spring,train,2023-04-10T00:00:00,2023-05-14T18:00:00
summer,validation,2023-07-10T00:00:00,2023-08-13T18:00:00
autumn,test,2023-10-05T00:00:00,2023-11-08T18:00:00