<prompt> tafsiri zifuatazo kutoka kwa swahili hadi kiingereza.bwana warmbier alikuwa amehukumiwa kifungo cha miaka 15 jela na kazi ngumu, baada ya kukiri kuwa alijaribu kuiba bango lenye ujumbe wa propaganda.  <response>: otto warmbier was sentenced to 15 years in prison with hard labor after he confessed he had tried to steal a propaganda banner. 