Mid-IR region of the SED for all objects. The coloured points and lines indicate the observation listed in the legend. The SEDs from the posterior distribution are shown in black. The line denotes the median of all model SED, with the dark, medium, and light black areas denoting the 68%, 95%, and 99.9% percentiles, respectively. The name of the model and if it is fitted with a single or two-zone model is given in the title.