2 hours:2 hours,3 hours:3 hours,24 hours:24 hours,31 hours:31 hours,48 hours:48 hours,72 hours:72 hours,1 week:1 week,2 weeks:2 weeks,1 month:1 month,3 months:3 months,6 months:6 months,1 year:1 year,3 years:3 years,indefinite:indefinite