Objects in image: Mobile phone
Text visible in image: trackball, D, W, R, 5, F, H, alt, key, _alt, B, M, shift, key, spacE, right, shift, key, left, space, key, symbol, key
Question: what is the round thing in the middle of the phone?
Answers: trackball, trackball, trackball, trackball, trackball, trackball, trackball, trackball, trackball, trackball