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: Laparoscopic surgery is performed via three or ____ small incisions in the abdomen.\Question: Choose the right answer from options given a) nine b) six c) five d) four

SOLUTION: d

PROBLEM: Electrons have almost ____ mass and are negatively charged.\Question: Choose the right answer from options given a) three b) seven c) zero d) no

SOLUTION: d

PROBLEM: Widowed men are ____ times as likely to be murdered.\Question: Choose the right answer from options given a) two b) four c) three d) no

SOLUTION:
b