Task: Question Answering
Input (English): Problem: one - third of rahul ' s savings in national savings certificate is equal to one - half of his savings in public provident fund . if he has rs . 1 , 00,000 as total savings , how much has he saved in public provident fund ? 
Options: a ) 80000 , b ) 40000 , c ) 50000 , d ) 75000 , e ) 90000
Output (English): b