Task: Question Answering
Input (English): Problem: it is currently 7 : 16 pm . at what time in the morning was it exactly 19,443 minutes earlier ? 
Options: a ) 7 : 11 , b ) 7 : 13 , c ) 7 : 17 , d ) 7 : 19 , e ) 7 : 21
Output (English): b