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: Chimeras are ____ headed creatures that shoot fire from all three heads, damaging a wide area.\Question: Choose the right answer from options given a) three b) one c) eight d) six

Output: a


Input: Consider Input: Some species can make dives over ____ hundred feet deep.\Question: Choose the right answer from options given a) six b) eight c) two d) one

Output: b


Input: Consider Input: Western geographers consider it to be the northernmost of ____ central Asian republics.\Question: Choose the right answer from options given a) zero b) one c) five d) four


Output: c