Cat - Lion - Dog - Turtle - Elephant
River - Planet - City - Animal - Plant
Celery - Lettuce - Onion - Grape - Asparagus
aaaa ... bdzb ... cgac ... djzd ... ????
Cousin - Aunt - Mother - Daughter - Sister
Mailman - Stamp - Letter - Mailbox - Mailbag
2 ... 3 ... 5 ... 8 ... 12 ... 17 ... ??
2856 - 6258 - 5862 - 5682 - 6852
Is this conclusion true or false?