Summarize a nightmare about an exam in one sentence.
In the nightmare, I was hopelessly unprepared and overwhelmed as I failed an important exam that determined my future.
Complete the following task based on the instruction and optional input provided.### Instruction:
Summarize a nightmare about an exam in one sentence.

### Output:
In the nightmare, I was hopelessly unprepared and overwhelmed as I failed an important exam that determined my future.