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?

4- Rank of the United States among countries considered to be the greatest threats to world peace according to a 2003 Pew Global Attitudes study (Israel, Iran, and North Korea were considered more dangerous; Iraq was considered less dangerous).


"Results": [
    {
        "TypeName": "LOC",
        "Text": "United States",
        "Start": 15,
        "End": 28
    },
    {
        "TypeName": "LOC",
        "Text": "Israel",
        "Start": 146,
        "End": 152
    },
    {
        "TypeName": "LOC",
        "Text": "Iran",
        "Start": 154,
        "End": 158
    },
    {
        "TypeName": "LOC",
        "Text": "North Korea",
        "Start": 164,
        "End": 175
    },
    {
        "TypeName": "LOC",
        "Text": "Iraq",
        "Start": 208,
        "End": 212
    }
]