[{'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:def new_fc_layer(input,          # The previous layer.\nnum_inputs,     # Num. inputs from prev. layer.\nnum_outputs,    # Num. outputs.\nuse_relu=True): # Use Rectified Linear Unit (ReLU)?\nweights = new_weights(shape=[num_inputs, num_outputs])\nbiases = new_biases(length=num_outputs)\nlayer = tf.matmul(input, weights) + biases\nif use_relu:\nlayer = tf.nn.relu(layer)\nreturn layer'}, {'role': 'assistant', 'content': 'modelling'}]