Extract the topic of the given story.
James and his family were camping in the lake near their house. They built a tent and enjoyed a campfire and some marshmallows.
The topic of the story is camping.
Complete the following task based on the instruction and optional input provided.### Instruction:
Extract the topic of the given story.

### Input:
James and his family were camping in the lake near their house. They built a tent and enjoyed a campfire and some marshmallows.

### Output:
The topic of the story is camping.