Task: Question Answering
Input (English): Problem: six persons standing in queue with different age group , after two years their average age will be 43 and seventh person joined with them . hence the current average age has become 45 . find the age of the 7 th person . 
Options: a ) 69 , b ) 70 , c ) 71 , d ) 72 , e ) 73
Output (English): a