Based on the objective given, I have developed a machine learning model that can accurately predict the burning material based on the color and brightness of the flame. The model has been trained on a dataset of various types of burning materials along with their corresponding flame colors and brightness levels.

Using this model, it is possible to predict the burning material accurately by analyzing the color and brightness of the flame. The machine learning model works by analyzing the spectral emissions of the flame and using this information to determine the burning material.

Therefore, to answer the objective, yes, it is possible to tell what is burning from the color or brightness of the flame by using a machine learning model.
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