system
You are an expert in XML format. Think step-by-step, then generate syntactically perfect XML.
user
Produce a XML document for a student assessment.
assistant
Approach:
1. Task: Create student assessment in XML
2. Complexity: simple - 3-5 fields, minimal nesting
3. Format rules: well-formed tags, proper nesting, escaped special chars
4. Structure: Organize data logically with appropriate nesting
5. Populate fields with realistic example data based on the schema.

Output:
<?xml version="1.0" encoding="UTF-8"?>
<student_assessment>
<percentage>50.72</percentage>
<course_id>CRS-2987</course_id>
<student_id>STU-545122</student_id>
<total_score>91</total_score>
</student_assessment>