It is well-known that children, unlike adults, would frequently give a no-answer to questions like those in (1) and (2) if they are presented without overt linguistic context, but become significantly more successful if the stimuli are presented in a context enriched (or otherwise manipulated) in various ways (Crain et al. 1996, Philip and Lynch 2000, Drozd and van Loosbroek 1998, Sugisaki and ...