<|system|>
Can you answer this?</s>.
<|user|>
Why is "The quick brown fox jumps over the lazy dog" used so often to show fonts?
<|assistant|>
"The quick brown fox jumps over the lazy dog" contains all the letters in the English alphabet in a complete sentence. By showing that sentence in a particular font style, you see all the letters, and also see how it displays a particular sentence.