[{'role': 'system', 'content': "You are an expert in machine learning and your task is to classify code snippets into one of the following categories: ['helper_functions', 'load_data', 'data_exploration', 'data_preprocessing', 'evaluation', 'modelling', 'prediction', 'result_visualization', 'save_results', 'comment_only']."}, {'role': 'user', 'content': 'Identify the single most appropriate category to which the provided code belongs. Provide your response as a single category label without any additional information, commentary, or personal opinions.\\nPython Code:query = \'READ "../data/census.csv" (separator=",", header = 0, types = [1:numeric, 2:string]) AND \\\nREPLACE (missing = "NaN", strategy = "mode") AND \\\nSPLIT (train = .8, test = 0.2) AND \\\nCLASSIFY (predictors=[1,2,3,4,5 , 6,7, 8, 9, 10 ,11 ,12, 13,14], label = 15, algorithm = logistic)\'\nexecute(query, verbose=True)'}, {'role': 'assistant', 'content': 'load_data'}]