Identify three characters in the following story.
John, a young adventurer, and his friend Amy embark on a quest to recover a magical item hidden in a dark and dangerous dungeon.
1. John
2. Amy
3. A young adventurer
Complete the following task based on the instruction and optional input provided.### Instruction:
Identify three characters in the following story.

### Input:
John, a young adventurer, and his friend Amy embark on a quest to recover a magical item hidden in a dark and dangerous dungeon.

### Output:
1. John
2. Amy
3. A young adventurer