Task: Question Answering
Input (English): Problem: at the end of the day, february 14 th, a florist had 120 roses left in his shop, all of which were red, white or pink in color and either long or short - stemmed. a third of the roses were short - stemmed, 20 of which were white and 10 of which were pink. the percentage of pink roses that were short - stemmed equaled the percentage of red roses that were short - stemmed. if none of the long - stemmed roses were white, what percentage of the long - stemmed roses were red ?
Options: a. 20 %, b. 50 %, c. 55 %, d. 75 %, e. 80 %
Output (English): b