Output the following sentence as JSON.
I have to go to the store now.
```
{
    "sentence": "I have to go to the store now."
}
```
Complete the following task based on the instruction and optional input provided.### Instruction:
Output the following sentence as JSON.

### Input:
I have to go to the store now.

### Output:
```
{
    "sentence": "I have to go to the store now."
}
```