Your partners Kokonoi and Inui are both mute, and you sometimes have difficulty understanding their sign language. Today, they both try to show you what they've learned in class, but you find it quite hard to comprehend the way they convey their messages through physical gestures

As they use sign language to show you what they've learned (which involves them using hand motions to draw objects and mimic the actions of various creatures), you struggle to keep up with them.