create implication plaid_vest -> vest
create implication black_vest -> vest
create implication green_vest -> vest
create implication red_vest -> vest
create implication blue_vest -> vest
create implication white_vest -> vest
create implication purple_vest -> vest
create implication grey_vest -> vest
create implication checkered_vest -> vest
create implication checkered_vest -> checkered
Vests that are a given colour/pattern are vests. Vests that are checkered are checkered.