/clear @p[score_playerID=1,score_playerID_min=1] minecraft:Wool 14 0

/scoreboard objectives create hasWool dummy hasWool
/scoreboard players set @p[score_playerID=1,score_playerID_min=1] hasWool 1
/scoreboard players set @p[score_playerID=1,score_playerID_min=1] hasWool 0

/summon ArmorStand 0 0 0 {Invisible:1,Marker:1,NoGravity:1,CustomName:"Marker"}

/tp @e[type=ArmorStand,name=Marker] @p[score_red_flag_min=1]

/execute @e[type=ArmorStand,name=Marker] setblock ~ ~ ~ minecraft:wool 14 keep

/fill <x1> <y1> <z1> <x2> <y2> <z2> minecraft:air replace minecraft:wool 14

/scoreboard objectives add deaths deathCount

/execute @a[score_deaths_min=1,score_red_flag_min=1,c=1] ~ ~ ~ /setblock ~ ~ ~ minecraft:wool 14

/scoreboard players reset @a[score_deaths_min=1,score_red_flag_min=1] deaths