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: Lines of force are ____ dimensional, surrounding a bar magnet on all sides.\Question: Choose the right answer from options given a) eight b) three c) zero d) no

Output: b


Input: Consider Input: Mosquitoes have ____ distinctive life stages, with the first three stages being spent in the water.\Question: Choose the right answer from options given a) four b) zero c) nine d) five

Output: a


Input: Consider Input: Synchronized stimuli overloads ____ of the five senses at the same time.\Question: Choose the right answer from options given a) four b) two c) six d) three


Output: a