How do you know how to spell supercalifragilisticexpialidocious?

As a large language model, I don't "know" things in the same way a human does. I don't have personal memories or experiences. Instead, I have been trained on a massive dataset of text and code, which allows me to:

1. Recognize patterns: I can identify the common spelling patterns and rules within the word "supercalifragilisticexpialidocious" based on my training data.

2. Access and process information: I can access and process information from the real world through Google Search and apply it to my understanding of language, including the spelling of words.

3. Predict and generate text: I can predict the most likely spelling of the word based on the context and information I have been trained on.

So, I don't "know" how to spell "supercalifragilisticexpialidocious" in the same way you do. However, I can access and process information to arrive at the correct spelling with a high degree of accuracy.