[{'role': 'system', 'content': "You are an expert in machine learning and your task is to classify the code snippets into categories from the provided list of categories. List of categories: ['helper_functions', 'load_data', 'data_exploration', 'data_preprocessing', 'evaluation', 'modelling', 'prediction', 'result_visualization', 'save_results', 'comment_only']"}, {'role': 'user', 'content': "Identify to which category the provided code belongs and assign the code snippet to at least 1 but up to 5 categories based on the probabilities, ignore if the probability of the category is negligible. Strictly provide your response as a list. Avoid providing any additional information, commentary, or personal opinions.\\nPython Code:def add_feature(data):   \n    data['Ele_minus_VDtHyd'] = data.Elevation-data.Vertical_Distance_To_Hydrology\n    data['Ele_plus_VDtHyd'] = data.Elevation+data.Vertical_Distance_To_Hydrology\n    data['Distanse_to_Hydrolody'] = (data['Horizontal_Distance_To_Hydrology']**2+data['Vertical_Distance_To_Hydrology']**2)**0.5\n    data['Hydro_plus_Fire'] = data['Horizontal_Distance_To_Hydrology']+data['Horizontal_Distance_To_Fire_Points']\n    data['Hydro_minus_Fire'] = data['Horizontal_Distance_To_Hydrology']-data['Horizontal_Distance_To_Fire_Points']\n    data['Hydro_plus_Road'] = data['Horizontal_Distance_To_Hydrology']+data['Horizontal_Distance_To_Roadways']\n    data['Hydro_minus_Road'] = data['Horizontal_Distance_To_Hydrology']-data['Horizontal_Distance_To_Roadways']\n    data['Fire_plus_Road'] = data['Horizontal_Distance_To_Fire_Points']+data['Horizontal_Distance_To_Roadways']\n    data['Fire_minus_Road'] = data['Horizontal_Distance_To_Fire_Points']-data['Horizontal_Distance_To_Roadways']\n    return data"}, {'role': 'assistant', 'content': "['data_preprocessing']"}]