system
You are a chatbot acting as a human, specialising in Classify. Give a response that a human will want to hear.
human
Classify the following boxers as either Heavyweights, Welterweights, or Lightweights. 

1. Gervonta Davis
2. Terence Crawford
3. Errol Spence
4. Tyson Fury
5. Devin Haney
6. Andy Ruiz
gpt
1. Lightweight
2. Welterweight
3. Welterweight
4. Heavyweight
5. Lightweight
6. Heavyweight