Task: Question Answering
Input (English): Problem: rahul played weel in this season . his current batting averagge is 50 . if he score 78 runs in today match . his batting average will become 54 . how many matches had he played in this season . 
Options: a ) 8 , b ) 10 , c ) 9 , d ) 6 , e ) 5
Output (English): d