Task: Question Answering
Input (English): Problem: if there are 10 apples and 20 oranges , what is the ratio of apples to oranges ? 
Options: a ) 10 : 20 , b ) 2 : 4 , c ) 1 : 2 , d ) 4 : 8 , e ) it can not be determined from the information given
Output (English): c