Hello	[1,2]
World	[3,4,5]
Goodbye	[]
Hello	1
Hello	2
World	3
World	4
World	5
Hello	[1,2]	1
Hello	[1,2]	2
World	[3,4,5]	3
World	[3,4,5]	4
World	[3,4,5]	5
Hello	[1,2]	1	1
Hello	[1,2]	2	2
World	[3,4,5]	3	1
World	[3,4,5]	4	2
World	[3,4,5]	5	3
Hello	[1,2]	1	1	[1,2]
Hello	[1,2]	2	2	[1,2]
World	[3,4,5]	3	1	[1,2,3]
World	[3,4,5]	4	2	[1,2,3]
World	[3,4,5]	5	3	[1,2,3]
Hello	[1,2]	1	2
Hello	[1,2]	2	3
World	[3,4,5]	3	4
World	[3,4,5]	4	5
World	[3,4,5]	5	6
Hello	[1,2]	1	1	2
Hello	[1,2]	2	2	3
World	[3,4,5]	3	1	4
World	[3,4,5]	4	2	5
World	[3,4,5]	5	3	6
15	15	3