SPACEBAR
   You can scroll through lucy's answers by pressing the spacebar until
you get a message saying [editor: please insert correct message here].

ARROW KEYS
   You can search up and down in the list of answers by pressing the
arrow keys, then pressing Return or Enter when the + sign is next to the
appropriate answer.

SCROLLBAR
   The vertical bar next to the answer text is called a scrollbar.  By
moving the mouse cursor into this bar and pressing the left and right
mouse buttons, you can scroll down and up in the text.  You can also
hold down the middle mouse button and move the mouse up and down.