WashingCauldronsCommands

R:scoreboard players tag @e[type=Item] add wool {Item:{id:minecraft:wool}}
execute @e[tag=wool] ~ ~ ~ detect ~ ~ ~ cauldron 3 execute @e[tag=wool] ~ ~ ~ detect ~ ~-1 ~ fire -1 entitydata @e[tag=wool,c=1] {Item:{Damage:0b}}
COND:execute @e[tag=wool] ~ ~ ~ setblock ~ ~ ~ cauldron 1 replace