Find the word which doesn't belong to the group.
tranquil, chaotic, peaceful, frenzied
The word "chaotic" does not belong to the group as it is the only one with a negative connotation, while the others (tranquil, peaceful, and frenzied) all have positive connotations of calmness and serenity.
Complete the following task based on the instruction and optional input provided.### Instruction:
Find the word which doesn't belong to the group.

### Input:
tranquil, chaotic, peaceful, frenzied

### Output:
The word "chaotic" does not belong to the group as it is the only one with a negative connotation, while the others (tranquil, peaceful, and frenzied) all have positive connotations of calmness and serenity.