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: Cannons are a three ball shot from a corner spot or on the ____ yard line.\Question: Choose the right answer from options given a) no b) four c) five d) one

Output: d


Input: Consider Input: Pistillate flowers have a compound ovary with ____ locules topped by three sticky, sessile stigmas.\Question: Choose the right answer from options given a) zero b) three c) six d) seven

Output: b


Input: Consider Input: Lead exposure can affect everyone, but it is especially dangerous for children aged ____ and younger.\Question: Choose the right answer from options given a) two b) eight c) six d) nine


Output: c