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: Distilled water enters the body with ____ minerals but leaves the body with minerals.\Question: Choose the right answer from options given a) zero b) no c) one d) nine

Output: b


Input: Consider Input: Poles CAN occur at ____ frequency.\Question: Choose the right answer from options given a) six b) four c) zero d) eight

Output: c


Input: Consider Input: Most adults sleep between ____ and eight hours a night.\Question: Choose the right answer from options given a) one b) two c) nine d) seven


Output: d