Construct a sentence with the words “periodically”, “vibrant”, and “catalyst”
Periodically, a vibrant catalyst is needed to stimulate and encourage growth or change within a system.
Complete the following task based on the instruction and optional input provided.### Instruction:
Construct a sentence with the words “periodically”, “vibrant”, and “catalyst”

### Output:
Periodically, a vibrant catalyst is needed to stimulate and encourage growth or change within a system.