Write a sentence that illustrates the meaning of the word "capricious".
Her moods were capricious; one moment she was happy and carefree, and the next she was sullen and irritable.
Complete the following task based on the instruction and optional input provided.### Instruction:
Write a sentence that illustrates the meaning of the word "capricious".

### Output:
Her moods were capricious; one moment she was happy and carefree, and the next she was sullen and irritable.