How would you classify the genre of the following book?
The book is a thrilling adventure set in an apocalyptic future
Based on the description provided, I would classify the genre of the book as Science Fiction or Post-Apocalyptic Adventure.
Complete the following task based on the instruction and optional input provided.### Instruction:
How would you classify the genre of the following book?

### Input:
The book is a thrilling adventure set in an apocalyptic future

### Output:
Based on the description provided, I would classify the genre of the book as Science Fiction or Post-Apocalyptic Adventure.