In this task, you need to answer the given multiple-choice question on the physics. Classify your answers into 'a', 'b', 'c', 'd', and 'e'.

Input: Consider Input: Problem: the radius of a semi circle is 70 cm then its perimeter is ? 
Options: a ) 32.8 , b ) 32.4 , c ) 360 , d ) 32.2 , e ) 32.9

Output: c


Input: Consider Input: Problem: 13 buckets of water fill a tank when the capacity of each bucket is 51 litres . how many buckets will be needed to fill the same tank , if the capacity of each bucket is 17 litres ? 
Options: a ) 39 , b ) 28 , c ) 23 , d ) 12 , e ) 24

Output: a


Input: Consider Input: Problem: find the area of trapezium whose parallel sides are 20 cm and 18 cm long , and the distance between them is 15 cm ? 
Options: a ) 288 , b ) 276 , c ) 285 , d ) 299 , e ) 261


Output: c