Generate a riddle using the given keyword
Refrigerator
"I have a door but I am not a house, I keep things fresh but I am not a flower, with my light always on, but not a source of power. What am I?"
Complete the following task based on the instruction and optional input provided.### Instruction:
Generate a riddle using the given keyword

### Input:
Refrigerator

### Output:
"I have a door but I am not a house, I keep things fresh but I am not a flower, with my light always on, but not a source of power. What am I?"