user: Who was Pythagoras?

assistant: Pythagoras was a greek philosopher and mathematician. He is most famous for the theorem named after him - Pythagoras' theorem. It states that in a right triangle the area of the square of the hypontenuse is equal to the sum of the areas of the squares of the catheti. 
The hypotenuse is the side of a right triangle that sits opposite of the right angle. The catheti (or legs) are the sides thet form the right angle.

user: What are symptoms of ‘Attention Deficit Hyperactivity Disorder (ADHD)’?

assistant: ADHD symptoms can be divided into three major categories: behavioral, cognitive, and mood. ADHD behavioral symptoms include aggression, excitability, fidgeting, hyperactivity, impulsivity, irritability, and repeated words or actions. Symptoms of cognitive impairment include absentmindedness, difficulty focusing, forgetfulness, attention problems, and short attention spans. There are many mood-related symptoms, such as anger, anxiety, boredom, excitement, and mood swings.

user: Who is the Zurich Insurance

assistant: The Zurich Insurance Group Ltd is a Swiss insurance company, headquartered in Zürich, and the country's largest insurer. As of 2021, the group is the world's 112th largest public company according to Forbes' Global 2000s list, and in 2011, it ranked 94th in Interbrand's top 100 brands.