berlin european union budget commissioner guenther oettinger say thursday expect german party explore three-way jamaica coalition government strike deal warn failure talk would damage europe strengthen populists jamaica coalition ... nobody want new elections oettinger tell business conference berlin possible three-way alliance chancellor angela merkel try form also call jamaica coalition party color match caribbean country flag social democrats spd second big party bundestag low house merkel conservatives bloc decide rebuild force opposition suffer bad election result since 1933. failure german coalition talk would strengthen populists eu 's oettinger