Explanation and comment of the syntactic analysis of the sequence: "The NGO inaugurated yesterday in Santiago an exhibition that seeks to eliminate issues and sensitize citizens about the fact that prostitution is a desirable result." Specifically, the problems are used to identify the "arguments" and "adjuncts" of the verb, the distinction between person CDIR and CIND and the classification and characterization of different types of prepositional supplements: SUPL, CADV, PVO PREP, CCIRC ...