Analyze the input text to identify the sentiment.
I am feeling so frustrated about this issue.
The sentiment in the input text appears to be negative, as the user has expressed frustration about an issue.
Complete the following task based on the instruction and optional input provided.### Instruction:
Analyze the input text to identify the sentiment.

### Input:
I am feeling so frustrated about this issue.

### Output:
The sentiment in the input text appears to be negative, as the user has expressed frustration about an issue.