When the French returned to Indochina at the end of WW II the Viet Minh were in control of the Red River Delta.

"Results": [
    {
        "TypeName": "LOC",
        "Text": "Indochina",
        "Start": 28,
        "End": 37
    },
    {
        "TypeName": "LOC",
        "Text": "Red River Delta",
        "Start": 95,
        "End": 110
    }
]