GaSchedule.json

[
	{
		"prof": {
			"id": 84,
			"name": "Le Hai Duong"
		}
	},
	{
		"course": {
			"id": 1,
			"name": "Operating Systems"
		}
	},
	{
        "group": {
            "id": 1,
            "size": 80
        }
    },
	{
		"class": {
			"professor": 84,
			"course": 1,
			"duration": 3,
			"group": 1,
			"lab": false
		}
	}
]