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: Mountain goats have ____ sharp horns.\Question: Choose the right answer from options given a) two b) six c) ten d) four

SOLUTION: a

PROBLEM: Dogs are pack animals, and ____ dogs is the minimum number for proper socialization.\Question: Choose the right answer from options given a) four b) five c) no d) zero

SOLUTION: b

PROBLEM: Plants grow to a height of ____ to twelve inches.\Question: Choose the right answer from options given a) four b) seven c) ten d) no

SOLUTION:
c