The following question, consist of two words each that have a certain relationship to each other, followed by four lettered pairs of words. Select the lettered pair that has the same relationship as the original pair of words:
Square : Diamond :: Circle : ?

A. Smooth

B. Round

C. Oval

D. Ball

Answer: Option C

Solution(By Examveda Team)

Second is a shape obtained by pulling the opposite ends of the first.