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?

"Wei has given some virtuoso performances with brush and ink, often incorporating several different techniques into a single work," said Gordon S. Barrass, curator of the exhibition.


"Results": [
    {
        "TypeName": "PER",
        "Text": "Wei",
        "Start": 1,
        "End": 4
    },
    {
        "TypeName": "PER",
        "Text": "Gordon S. Barrass",
        "Start": 137,
        "End": 154
    }
]