1 is global? false
   2 dog
   3 dog
   4 dog,d,o,g
   5 null
   6 true
   7 true
   8 true
   9 false
  10 One cat, two dogs in the yard.
  11 One cat, two cats in the yard.
  12 One cat, two dogs in the yard.
  13 One dog, two dogs in the yard.
  14 One cat, two dogs in the yard.
  15 4
  16 4
  17 4
  18 -1
  19 dog
  20 dog
  21 dog,d,o,g
  22 null
  23 true
  24 true
  25 true
  26 false
  27 One cat, two dogs in the yard.
  28 One cat, two cats in the yard.
  29 One cat, two dogs in the yard.
  30 One dog, two dogs in the yard.
  31 4
  32 4
  33 4
  34 -1
  35 One ,, two ,s in the yard.
  36 One ,, two ,s in the yard.
  37 One ,d,o,g,, two ,d,o,g,s in the yard.
  38 One dog, two dogs in the yard.
  39 One ,, two ,s in the yard.
  40 One ,, two ,s in the yard.
  41 One ,d,o,g,, two ,d,o,g,s in the yard.
  42 One dog, two dogs in the yard.
  43 One ,, two ,s in the yard.
  44 null
  45 shapgvba
  46 shapgvba
  47 null
  48 shapgvba
  49 shapgvba