on right-click on sign:
if line 1 of event-block is "&1mavi takım":
set player's helmet to leather helmet
set player's chestplate to leather chestplate
set player's leggings to leather leggings
set player's boots to leather boots
dye player's helmet blue
dye player's chestplate blue
dye player's leggings blue
dye player's boots blue
if line 1 of event-block is "&4kirmizi takım":
set player's helmet to leather helmet
set player's chestplate to leather chestplate
set player's leggings to leather leggings
set player's boots to leather boots
dye player's helmet red
dye player's chestplate red
dye player's leggings red
dye player's boots red