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: Studies show that childhood obesity is epidemic and that ____ in five children is overweight.\Question: Choose the right answer from options given a) one b) two c) nine d) ten

Output: a


Input: Consider Input: Pneumatic motor is a six-point unit with ____ pneumatics facing up and three facing down.\Question: Choose the right answer from options given a) five b) no c) three d) nine

Output: c


Input: Consider Input: Some plants even have ____ leaves or small seasonal leaves that grow after it rains.\Question: Choose the right answer from options given a) four b) eight c) no d) nine


Output: c