The bulk update request #5266 is active.
remove implication unown_(pokemon) (406) -> generation_2_pokemon (75359)
create implication unown_! (42) -> generation_3_pokemon (85092)
create implication unown_? (34) -> generation_3_pokemon (85092)
Reason: Unown A to Z were introduced in Generation 2 and Unown ! and ? were introduced in Generation 3
Unown A to M can be found here
Unown N to Z can be found here
"unown_(pokemon) -> pokemon_(species)" can be found here
Unown Part 1
EDIT: The bulk update request #5266 (forum #371802) has been approved by @Rainbow_Dash.
Updated