Identify the protagonist of the story.
Mary was a young woman who had been through many struggles, but she found strength in her faith.
The protagonist of the story is Mary.
Complete the following task based on the instruction and optional input provided.### Instruction:
Identify the protagonist of the story.

### Input:
Mary was a young woman who had been through many struggles, but she found strength in her faith.

### Output:
The protagonist of the story is Mary.