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: Indian reservations are part of five of the nation's ____ poorest counties.\Question: Choose the right answer from options given a) seven b) nine c) ten d) two

Output: c


Input: Consider Input: Sea stars have ____ arms, or rays, connected to a small round body.\Question: Choose the right answer from options given a) five b) six c) seven d) no

Output: a


Input: Consider Input: Sales taxes are ____ times as hard on poor people as they are on the rich.\Question: Choose the right answer from options given a) eight b) two c) six d) seven


Output: d