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: a metallic sphere of radius 12 cm is melted and drawn into a wire , whose radius of cross section is 8 cm . what is the length of the wire ? 
Options: a ) 16 cm , b ) 24 cm , c ) 28 cm , d ) 36 cm , e ) 39 cm

Output: d


Input: Consider Input: Problem: a train running at a speed of 36 kmph crosses an electric pole in 12 seconds . in how much time will it cross a 340 m long platform ? 
Options: a ) 19 , b ) 27 , c ) 29 , d ) 46 , e ) 28

Output: d


Input: Consider Input: Problem: venus travels around the sun at a speed of approximately 21.9 miles per second . the approximate speed is how many miles per hour ? 
Options: a ) 64,420 , b ) 78,840 , c ) 83,160 , d ) 88,970 , e ) 94,320


Output: b