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: Females reach sexual maturity around ____ to five year-olds.\Question: Choose the right answer from options given a) four b) five c) one d) ten

SOLUTION: a

PROBLEM: Healthcare providers diagnose ____ general types of insomnia.\Question: Choose the right answer from options given a) two b) eight c) one d) three

SOLUTION: a

PROBLEM: Females generally give birth by age ____ to eleven in captivity and thirteen to fifteen in the wild.\Question: Choose the right answer from options given a) ten b) one c) five d) zero

SOLUTION:
a