Given the articulatory descriptions of consonants in this file, what would you expect the difference

Given the articulatory descriptions of consonants in this file, what would you expect the difference between [t] and an [s] to look like in static palatography pictures? Of the two pictures below, which do you think could be an instance of [t] and which an instance of [s]? How do you know? What other sounds would make the pattern on the roof of the mouth seen in (a) and (b)?