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
system
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
user
1. Lightweight
2. Welterweight
3. Welterweight
4. Heavyweight
5. Lightweight
6. Heavyweight
assistant
<|system|>
</s>
<|user|>
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</s>
<|assistant|>
1. Lightweight
2. Welterweight
3. Welterweight
4. Heavyweight
5. Lightweight
6. Heavyweight</s>
