Which noun completes the analogy?
Cock is to hen as boar is to ______?

The correct answer to this question is A, sow. These nouns are the female and male names for animals. A cock is a male chicken, while a hen is a female chicken. Known as one of the most common domestic animals, chickens are domesticated fowls. As of 2011, there were 19 billion chickens in the world.

For the second half of the question, a boar is a male bear, while a sow is a female bear. These animals are carnivores and can be found on continents such as Asia, North and South America, and Europe. Currently, there are only eight species of bears.