Task: Question Answering
Input (English): Problem: a man spends 2 / 5 of his salary on house rent , 3 / 10 of his salary on food and 1 / 8 of his salary on conveyance . if he has rs . 1400 left with him , find his expenditure on food and conveyance . 
Options: a ) 1000 , b ) 2000 , c ) 3000 , d ) 4000 , e ) 5000
Output (English): a