Task: Question Answering
Input (English): Context: Yamapi exclaims and bows again . They talk a bit more about the DVD and Yamapi says thanks again and then they part ways . Everyone in the room found it odd that Yamapi has n't spoken at all and the meeting was already halfway through . He was also wearing this really odd bonnet . 
Question: Why are some unnerved by Yamapi 's behavior ?
Output (English): They are unnerved by his lack of speaking .