Sample 18-7: Diagramming with Shapes

 1 ⠀⠀,! circl$ ^w is ! subject1 ! box$ ^w
 2 is ! v]b4
 3 ⠀⠀⠀⠀⠀⠀,',symbols us$3
 4 ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
 5 $c ,circle
 6 $b ,box
 7 ,' 7#f1 #c7 ,t]m9,n 9dicator,'
 8 ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
 9 #a4 ,! $c boy ,' $b play$ ,' 9 ! p>k4
1o #b4 $c ,i ,' $b walk ,' 6s*ool4