Given a sentence with a missing word, pick the answer option that best fills out the missing word in the sentence. Indicate each answer with its index ('a', 'b', 'c', 'd').

Input: Consider Input: Ankle joint has ____ degrees of freedom.\Question: Choose the right answer from options given a) seven b) eight c) four d) three

Output: d


Input: Consider Input: Many tortoises can retract their head, their ____ limbs and tail into the shell for protection.\Question: Choose the right answer from options given a) no b) one c) two d) four

Output: d


Input: Consider Input: Egg laying usually involves the formation of clutches of ____ to six eggs.\Question: Choose the right answer from options given a) three b) five c) two d) four


Output: d