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: Cigarette smokers are ____ times more likely to die of lung cancer than nonsmokers.\Question: Choose the right answer from options given a) ten b) six c) four d) nine

SOLUTION: a

PROBLEM: Baboons can travel up to ____ miles a day.\Question: Choose the right answer from options given a) seven b) three c) two d) six

SOLUTION: d

PROBLEM: Normal cells have a telomere ladder, each containing partials up to ____ subunits.\Question: Choose the right answer from options given a) seven b) zero c) five d) nine

SOLUTION:
a