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?

I spoke to Mark Taylor about your signing authority, and he agrees that you do not have the authority to execute documents on your own, but as long as you are only co-signing documents signed by an authorized officer as a control measure we 're OK.


"Results": [
    {
        "TypeName": "PER",
        "Text": "Mark Taylor",
        "Start": 11,
        "End": 22
    }
]