Task: Question Answering
Input (English): Problem: it is the new year and mandy has made a resolution to lose weight this year . she plans to exercise and do yoga . for exercise she plans to workout at the gym and ride her bicycle in the ratio of 2 : 3 everyday . she will also do yoga in the ratio , yoga : exercise = 2 : 3 . if she rides her bike for 20 minutes , how much time will she spend doing yoga ? ( rounded to minutes ) 
Options: a ) 10 min . , b ) 33 min . , c ) 17 min . , d ) 23 min . , e ) 25 min .
Output (English): b