Task: Question Answering
Input (English): Problem: each of the integers from 1 to 15 is written on the a seperate index card and placed in a box . if the cards are drawn from the box at random without replecement , how many cards must be drawn to ensure that the product of all the integers drawn is even ? 
Options: a ) 9 , b ) 12 , c ) 11 , d ) 10 , e ) 3
Output (English): a