B 0 1 0 child human 0 0 C 0 2 0 a has is was 0 0 0 0 D 0 3 0 her his to 0 0 0 E 0 4 0 be 0 F 0 5 0 daughter son 0 0 G 0 6 0 knocked on sawed 0 0 0 H 0 7 0 chalk hammer saw.a tool with 0 0 0 0 0 J 0 8 0 cake sausage 0 0 K 0 9 0 liked likes 0 0 L 0 10 0 dad mom 0 0 M 0 11 0 wants writes 0 0 N 0 12 0 board.a board.b 0 0 O 0 13 0 food not parent 0 0 0 P 0 14 0 the wood 0 0 Q 0 15 0 saw.b sees 0 0 R 0 16 0 directors 0 S 0 17 0 are 0 T 0 18 0 before now 0 0 U 0 19 0 binoculars telescope 0 0 V 0 20 0 of 0