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?

At a time of heightened tensions between Tehran and Washington over Iran ’s nuclear weapons program and calls by neo-conservatives in Washington that a second Bush term should deal with Iran aggressively, the Iranians fear that Shindand could be used as a listening post, spying facility and even a launching pad for any future US actions against Iran.


"Results": [
    {
        "TypeName": "LOC",
        "Text": "Tehran",
        "Start": 41,
        "End": 47
    },
    {
        "TypeName": "LOC",
        "Text": "Washington",
        "Start": 52,
        "End": 62
    },
    {
        "TypeName": "LOC",
        "Text": "Iran",
        "Start": 68,
        "End": 72
    },
    {
        "TypeName": "LOC",
        "Text": "Washington",
        "Start": 52,
        "End": 62
    },
    {
        "TypeName": "PER",
        "Text": "Bush",
        "Start": 159,
        "End": 163
    },
    {
        "TypeName": "LOC",
        "Text": "Iran",
        "Start": 68,
        "End": 72
    },
    {
        "TypeName": "LOC",
        "Text": "Shindand",
        "Start": 228,
        "End": 236
    },
    {
        "TypeName": "LOC",
        "Text": "US",
        "Start": 328,
        "End": 330
    },
    {
        "TypeName": "LOC",
        "Text": "Iran",
        "Start": 68,
        "End": 72
    }
]