Task: Question Answering
Input (English): Problem: a green grocer received a boxful of tomatoes and on opening the box found that several had gone bad . he then counted them up so that he could make a formal complaint and found that 68 were mouldy , which was 16 per cent of the total contents of the box . how many tomatoes were in the box ? 
Options: a ) 336 , b ) 425 , c ) 275 , d ) 235 , e ) 689
Output (English): b