Hong Kong Island was ceded to Britain, and certain ports, including Shanghai and Guangzhou, were opened to British trade and residence.

"Results": [
    {
        "TypeName": "LOC",
        "Text": "Hong Kong Island",
        "Start": 0,
        "End": 16
    },
    {
        "TypeName": "ORG",
        "Text": "Britain",
        "Start": 30,
        "End": 37
    },
    {
        "TypeName": "LOC",
        "Text": "Shanghai",
        "Start": 68,
        "End": 76
    },
    {
        "TypeName": "LOC",
        "Text": "Guangzhou",
        "Start": 81,
        "End": 90
    }
]