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: Most families have between ____ and eight children.\Question: Choose the right answer from options given a) four b) one c) five d) three

Output: c


Input: Consider Input: Blood pressure is measured by ____ numbers.\Question: Choose the right answer from options given a) zero b) eight c) two d) seven

Output: c


Input: Consider Input: Carbon atoms can form strong links with ____ other atoms.\Question: Choose the right answer from options given a) eight b) one c) four d) zero


Output: c