Task: Question Answering
Input (English): Problem: workers at a campaign office have 2500 fliers to send out . if they send out 1 / 5 of them in the morning and 1 / 4 of the remaining ones out during the afternoon , how many are left for the next day ? 
Options: a ) 300 , b ) 800 , c ) 1500 , d ) 1200 , e ) 1900
Output (English): c