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 've read the book- it 's a first person memoir with the ring of truth, especially since so much of the wider context has confirmed the allegations of Contra drug connections that led to Terrell becoming a target for discrediting by the TWIG counterintelligence group that ran interference for the Contra effort, staffed by covert ops types including Ollie North, Robert Owen, Vince Cannistaro and Buck Revell.


"Results": [
    {
        "TypeName": "PER",
        "Text": "Terrell",
        "Start": 188,
        "End": 195
    },
    {
        "TypeName": "PER",
        "Text": "Ollie North",
        "Start": 352,
        "End": 363
    },
    {
        "TypeName": "PER",
        "Text": "Robert Owen",
        "Start": 365,
        "End": 376
    },
    {
        "TypeName": "PER",
        "Text": "Vince Cannistaro",
        "Start": 378,
        "End": 394
    },
    {
        "TypeName": "PER",
        "Text": "Buck Revell",
        "Start": 399,
        "End": 410
    }
]