def process_dataset_files(file_dataset_path):
    """
    Process the dataset file.
    :param file_dataset_path: dataset file path with the correspondent entity pairs. The format of each line of the dataset files is "Ent1 Ent2 Proxy";
    :return: list of tuples. Each tuple represents a pair of entities;
    """
    dataset = open(file_dataset_path, 'r')
    ent_pairs = []
    for line in dataset:
        split1 = line.split('\t')
        ent1, ent2 = split1[0], split1[1]
        ent_pairs.append((ent1, ent2))
    dataset.close()
    return ent_pairs