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:

What is this Miramar?

"Results": [
    {
        "TypeName": "LOC",
        "Text": "Miramar",
        "Start": 13,
        "End": 20
    }
]

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

U.S. officials have said the plot, thwarted by Britain, to blow up several aircraft over the Atlantic bore many of the hallmarks of al Qaeda.


"Results": [
    {
        "TypeName": "LOC",
        "Text": "U.S.",
        "Start": 0,
        "End": 4
    },
    {
        "TypeName": "LOC",
        "Text": "Britain",
        "Start": 47,
        "End": 54
    },
    {
        "TypeName": "LOC",
        "Text": "the Atlantic",
        "Start": 89,
        "End": 101
    },
    {
        "TypeName": "ORG",
        "Text": "al Qaeda",
        "Start": 132,
        "End": 140
    }
]