Categorize the given document as belonging to either A or B.
The document is a research paper on the topic of Machine Learning Algorithms.
I would need more information to classify this document accurately. Can you please clarify what categories A and B represent?
Complete the following task based on the instruction and optional input provided.### Instruction:
Categorize the given document as belonging to either A or B.

### Input:
The document is a research paper on the topic of Machine Learning Algorithms.

### Output:
I would need more information to classify this document accurately. Can you please clarify what categories A and B represent?