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: Calves can browse and follow their mother at three weeks old and are weaned at ____ months.\Question: Choose the right answer from options given a) five b) seven c) four d) three

SOLUTION: a

PROBLEM: Hypertension affects nearly one in ____ adults.\Question: Choose the right answer from options given a) three b) seven c) five d) zero

SOLUTION: a

PROBLEM: Sexual reproduction is syngamy - the union of ____ gametes.\Question: Choose the right answer from options given a) nine b) two c) ten d) one

SOLUTION:
b