options: f : that 's our plan . we get to taiyuan on december 20 and stay there for a week . f : tomorrow is december 20. we are leaving tomorrow ! f : ok. i 'll book the december 23 tickets to taiyuan . f : so we will get to taiyuan on december 26. we have plenty of time to prepare .
article: f : how long will we stay in taiyuan ? m : for 3 days , so we 'll come back on december twenty-third .