ComputerCraft Asking programm

function clear()
    term.clear()
    term.setCursorPos(1,1)
end

function getAction()
    write("Please enter: ")
    ask = read()
end

function done()
    local ask = 0
end

function key()
    bRead = true
    print(" ")
    print(" ")
    print("Press any Key to Continue")
    while(bRead) do
        local sEvent, param = os.pullEvent("key")
        if(sEvent == "key") then
            clear()
            done()
            talk()
            getAction()
            break
        end
    end
end

function talk()
  print("1 Where are we now?")
  print("2 What i am supposed to do?")
  print("3 How am i supposed to do something?")
  print("4 Can't i go back?")
  print("5 What do you mean with Bonus?")
  print(" ")
end

clear()
done()

print("To Ask Villager #4 a Question, type in the Number of the Question.")
print(" ")
talk()

getAction()

while true do
    if ask == "1" then
        clear()
        print("We are on the Sphere called Nasci. Once it was supposed to hold Flora and Fauna, but due to the missing maintaining of the Humanity, not everything was able to survive.")
        print("But still, i am happy that some Animals and Plants survived...")
        key()
    elseif ask == "2" then
        clear()
        print("Shouldn't you know that, Captain?")
        print("Whatever. We need Resources to rebuild Humanity and to repair the Jumpgate.")
        print("You can see what we need on the Monitor.")
        key()
    elseif ask == "3" then
        clear()
        print("Well... We brought some Resources with us, but only with that, it could get hard to gather everything we need.")
        print("I think you should search for some more stuff in this Sphere. I bet here is more than we can see.")
        key()
    elseif ask == "4" then
        clear()
        print("Out arriving here, destroyed the very old and already damaged Parts of the Jumpgate. We can repair it, but we need a bit time and Resources.")
        key()
    elseif ask == "5" then
        clear()
        print("Like Secondary targets. When you gather more then we need, we can Achieve more, or when you find something special we can use, could it help us in a different way.")
        print("But we don't have time to waste. When you do thing that is not good for our targets, it can damage us too.")
        key()
    else
        clear()
        print("What did you say?")
        key()
    end
end