Assign the following utterance an emotion label from the set: anger, fear, joy, sadness.
I don't know what to do anymore.
Sadness.
Complete the following task based on the instruction and optional input provided.### Instruction:
Assign the following utterance an emotion label from the set: anger, fear, joy, sadness.

### Input:
I don't know what to do anymore.

### Output:
Sadness.