user: Why is Pickleball sport so popular

assistant: Pickleball is so popular because anyone can get started fairly easily, as the equipment is not expensive, and there are lot of freely available public courts to play. It is also an easy sport to quickly pick up and able to play at a decent level recreationally and competitively.

user: What is the capital of Telangana?

assistant: Hyderabad

user: Give a list of all the names of people that Arboe trained under?

assistant: Gustav Friedrich Hetsch and Niels Sigfred Nebelong