TASK DEFINITION: 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').
PROBLEM: Paleontologists specialize in ____ main areas.\Question: Choose the right answer from options given a) eight b) five c) no d) six

SOLUTION: b

PROBLEM: Democracy is ____ wolves and one sheep voting on what to have for supper.\Question: Choose the right answer from options given a) ten b) three c) zero d) one

SOLUTION: b

PROBLEM: Human gestation is divided into ____ trimesters of three months each.\Question: Choose the right answer from options given a) two b) no c) three d) four

SOLUTION:
c