He was hesitant to start a new business, but I encouraged him by saying, 'There is a danger of tragedy in any attempt.'

The feline immunodeficiency virus can potentially have serious effects on a cat's health.

Gender discrimination is one of the social issues that needs to be resolved.

It's difficult to understand his real nature.

Rabbits are herbivorous animals.

Lions are carnivorous animals.

Owls are nocturnal animals, they are active at night.

Education about sexual relations is important for young people to make healthy choices.

The basicity of this compound is very high.

He was born with a hereditary disease.