What would be the best way to fix the given sentence and make it grammatically correct?
She are the fastest runner in school.
She is the fastest runner in school.
Complete the following task based on the instruction and optional input provided.### Instruction:
What would be the best way to fix the given sentence and make it grammatically correct?

### Input:
She are the fastest runner in school.

### Output:
She is the fastest runner in school.