Four pairs of words are given out of which the words in three pairs are related in some way and words in one pair are different. Find out that pair which is differently related.

The correct answer is A. Camels and Roar.

The other three pairs of words are related in that they are all examples of animals that make a particular sound. Dogs bark, birds chirp, and horses neigh. Camels, on the other hand, do not roar. They make a sound that is more like a grunt or a groan.

Here is a brief explanation of each option:

• A. Camels and Roar: Camels are large mammals that are native to Africa, Asia, and Australia. They are known for their long necks, humped backs, and ability to survive in harsh desert environments. Camels do not roar. They make a sound that is more like a grunt or a groan.
• B. Dogs and Bark: Dogs are domesticated mammals that are closely related to wolves. They are known for their loyalty, intelligence, and ability to be trained. Dogs bark. They use their bark to communicate with other dogs, humans, and other animals.
• C. Birds and Chirp: Birds are feathered, two-legged animals that are warm-blooded. They are the only animals that can fly. Birds chirp. They use their chirping to communicate with other birds.
• D. Horse and Neigh: Horses are large, four-legged mammals that are used for transportation and recreation. They are known for their speed, agility, and strength. Horses neigh. They use their neighing to communicate with other horses.