{
    "batch_size": {"_type":"choice", "_value": [4, 8, 16, 32, 64]},
    "hidden_layer":{"_type":"choice","_value":[0, 1, 2, 3, 4, 5]},
    "hidden_size":{"_type":"choice","_value":[4, 8, 16, 32, 64, 128]},
    "lr":{"_type":"choice","_value":[0.00001, 0.0001, 0.001, 0.01, 0.1]}
}