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