That information is unnecessary.

That information is completely unnecessary.

I learned how to solve inequalities in math class.

His behavior was thought to be an anomaly.

His behavior is completely abnormal.

He was punished for his disobedience to the rules.

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.