Figure 1: Structure of wū-lǐ ('in the room') The resulting structure can be used in two contexts: on the one hand, they can be used as prepositional complements in locative adjuncts, as illustrated in (3b).
• Valence Principle: in a headed phrase, for each valence feature F, the F value of the mother is determined as follows: -If the valence list of F consists of synsem objects, its value corresponds to the head daughter's F value minus the SYNSEM values of its sisters.