def exist(dataset_name, dataset_type):
    """
    Check if dataset exists
    """
    if dataset_name in ["Clotho", "audiocaps"] and dataset_type in ["train", "test", "valid"]:
        return True
    elif dataset_name == "BBCSoundEffects" and dataset_type in ["train", "test"]:
        return True
    elif dataset_name == "audioset" and dataset_type in ["balanced_train", "unbalanced_train", "eval"]:
        return True
    else:
        return False