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').

[EX Q]: Astronomical observations suggest ____ or close to zero space-time curvature.\Question: Choose the right answer from options given a) six b) zero c) ten d) seven
[EX A]: b

[EX Q]: Today there are ____ major breweries in Mexico that produce a spectrum of tasty beverages.\Question: Choose the right answer from options given a) nine b) six c) zero d) eight
[EX A]: b

[EX Q]: Directional lights can number up to ____ and be in different colors and intensities .\Question: Choose the right answer from options given a) six b) four c) nine d) five
[EX A]:
d