Task: Question Answering
Input (English): Problem: a tree of height 36 m is on one edge of a road broke at a certain height . it fell in such a way that the top of the tree touches the other edge of the road . if the breadth of the road is 12 m , then what is the height at which the tree broke ? 
Options: a ) 16 , b ) 17 , c ) 18 , d ) 19 , e ) 20
Output (English): a