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: Traditional neon electrifies the inert gas from ____ directions.\Question: Choose the right answer from options given a) two b) nine c) one d) six

SOLUTION: a

PROBLEM: Avian kidneys have ____ kinds of nephrons.\Question: Choose the right answer from options given a) four b) eight c) no d) two

SOLUTION: d

PROBLEM: Penile cancer occurs almost exclusively in the uncircumcised male at a rate of ____ per million.\Question: Choose the right answer from options given a) five b) seven c) zero d) eight

SOLUTION:
d