Lumber Tycoon Auto mod

SawmillC = false
Mouse = game.Players.LocalPlayer:GetMouse()
_G.MAIN=Instance.new("ScreenGui",game.Players.LocalPlayer.PlayerGui)
Instruction = Instance.new("TextLabel",_G.MAIN)
Instruction.Position = UDim2.new(0,200,0,400)
Instruction.Size = UDim2.new(0,100,0,50)
Instruction.TextWrapped = true
Instruction.TextScaled = true
Instruction.Text = "'Q' to select a tree, Press P to select a sawmill, press Z to activate!"
Instruction.Active = true
Instruction.Draggable = true
Instruction.ZIndex = 2
Exit = Instance.new("TextButton",Instruction)
Exit.Position=UDim2.new(1,0,0,0)
Exit.Size = UDim2.new(0,30,0,30)
Exit.Text = "Exit"
Exit.MouseButton1Click:connect(function()
_G.MAIN:Destroy()
end)

Mouse.KeyDown:connect(function(key)
if key:lower() == "q" then
Treee = Mouse.Target
elseif key:lower() == "p" then
if Mouse.Target.Parent:FindFirstChild("BlockageAlert") then
Sawmill = Mouse.Target.Parent
else
Sawmill=Mouse.Target.Parent.Parent
end
if Sawmill:FindFirstChild("BlockageAlert") and Sawmill:FindFirstChild("Owner") then
SawmillC = true
else
SawmillC = false
print"Something went wrong while setting the sawmill!"
end
elseif key:lower() == "z" then
if Treee ~= nil then
Mod(Treee)
else
print("Select tree with 'Q'!")
end
end
end)

function Mod(SelectedPart)
if SawmillC ~= true then
print'Set the sawmill with "P"!'
return
end
if SelectedPart.Parent:FindFirstChild("TreeClass") and SelectedPart.Parent:FindFirstChild("Owner") then
print("Tree: "..SelectedPart.Parent.TreeClass.Value)
Tree = SelectedPart.Parent
Tree.PrimaryPart = SelectedPart
game.ReplicatedStorage.Interaction.Verify:FireServer('Item owned by player',Tree)
Tree:SetPrimaryPartCFrame(Sawmill.Particles.CFrame)
game.ReplicatedStorage.Interaction.ClientIsDragging:FireServer(Tree)
end
end