Task: Question Answering
Input (English): Problem: a straight line in the xy - plane has a slope of 4 and a y - intercept of 4 . on this line , what is the x - coordinate of the point whose y - coordinate is 800 ? 
Options: a ) 233 , b ) 299 , c ) 333 , d ) 199 , e ) 339
Output (English): d