Please identify all the named entities mentioned in the input sentence provided below. Use only the categories: PER - person, ORG - organization, and LOC - location.
Remember, nationalities are neither locations nor organizations, and organizations can represent other groups of people.
Pay attention to the provided example. You should only output the results in JSON format, following a similar structure to the example result provided.

Example sentence and results:

Where in the world is Iguazu?

"Results": [
    {
        "TypeName": "LOC",
        "Text": "Iguazu",
        "Start": 22,
        "End": 28
    }
]

Considering the input sentence below, what is the output result?

Also, a week after the work, Phet called me up to see how my car was running and to let me know that they had accidentally overcharged me for part of the work and wanted to give me a refund for that amount.


"Results": [
    {
        "TypeName": "PER",
        "Text": "Phet",
        "Start": 29,
        "End": 33
    }
]