text: Felix: do you need potatos?
  Leo: they might be helpful making french fries xd
  Felix: ok, so you have to buy them
  Leo: i thought there was some at home
  Felix: no, i have just checked
  Leo: ok, so i will buy them
  Felix: and ketchup, please!
  Leo: ok
target: Leo might want to prepare french fries. He'll buy potatoes and ketchup.