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: Snowflakes are crystals that have many different shapes, but each snowflake has ____ points on it.\Question: Choose the right answer from options given a) six b) nine c) one d) seven

SOLUTION: a

PROBLEM: Anthrax usually is a fatal disease with ____ symptoms observed.\Question: Choose the right answer from options given a) no b) seven c) one d) six

SOLUTION: a

PROBLEM: Insects are different from other arthropods because they have ____ legs and three body regions.\Question: Choose the right answer from options given a) zero b) nine c) six d) eight

SOLUTION:
c