The prediction for this type of pied-piping language is that WH-phrases can appear in non-scopal positions without any overt scope markers such 11 See Yoon (1999) for more discussion on this.
12 if syntactic islands such as adjunct islands can be pied-piped in these languages, the predicion is that the WH-phrase will appear in the initial position of the island although the island itself stays in-situ.