Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request.

### Instruction:
Write a summary of the following paragraph in one sentence.

### Input:
The creature appeared small and harmless at first, but with its sudden movements, it quickly became clear that it was not to be trusted.

### Response:
The creature initially appeared benign, but its unpredictable movements revealed its danger.