Our Q&A session will be on Sep 6 (Sunday) at 2:30 London time. Here's our zoom link: https://umd.zoom.us/j/98364309847. We look forward seeing you there! Our emails are: markliu@scarletmail.rutgers.edu and yuanyang@umd.edu Here's a short abstract: We discuss new data concerning Mandarin wh-indefinites that challenge the widely accepted view that they are Negative Polarity Items (Li 1992; Cheng 1995; Lin 1998; Xie 2007). Instead, we present naturally-occurring examples showing that they can in principle appear in positive episodic environments (that are veridical). Moreover, in these contexts they express “indifference” or “ignorance”, similar to modal indefinites like Spanish algún and German irgendein (Alonso-Ovalle and Méndez-Benito 2010, Aloni and Port 2010). We show wh-indefinites can be analyzed in the alternatives-&-exhaustificaiton framework (contra Giannakidou 2018), where they trigger individual alternatives (contra Chierchia and Liao 2014), and various modal inferences arise through interaction between exhaustification and modals.