while true do
    term.clear()
    term.setCursorPos(1,1)
    print("Would you like to TELEPORT or LIST the available locations?")
    option = read()
    if option == "LIST" then
        term.clear()
        term.setCursorPos(1,1)
        print("ISLAND is the original island, where the world of TrainCraft started.")
        print("REACTORS is the teleport to off the coast of the Island, where nuclear power plants run wild.")
        print("STAR is the centre of the Meth Star, pride and joy of the drug universe")
        print("TOMMO is the command for Tommo's ship, type it and teleport.")
    elseif option == "TELEPORT" then
        term.clear()
        term.setCursorPos(1,1)
        print("Which destination will you choose? Or click any key to go back.")
        option2 = read()
        if option2 == "ISLAND" then
            print("Teleport is charging, you have selected - ISLAND")
            sleep(4)
            commands.tp("@p 36.5 147.0 212.5")
        elseif option2 == "REACTORS" then
            print("Teleport is charging, you have selected - REACTORS")
            sleep(4)
            commands.tp("@p 629.5 84.0 208.5")
        elseif option2 == "STAR" then
            print("Teleport is charging, you have selected - STAR")
            sleep(4)
            commands.tp("@p -146.5 184.0 -222.0")
        elseif option2 == "TOMMO" then
            print("Teleport is charging, you have selected - STAR")
            sleep(4)
            commands.tp("@p -113.5 235.0 -410.5")
        else
            end
        end
    else
        print("Unknown command, please type either TELEPORT or LIST.")
        end
    end