Given a list of steps and an additional step, determine where the step fits into the original list of steps. A correct answer, correctly places the given step into the set of steps so that it creates a new plausible set of steps. Output must be formatted as 'After step n', where n is the step number after which the given additional step is to be inserted.

Steps: (1) The salt water is heated (2) As the saltwater is heated the water becomes a gas (3) The salt particles sink to the bottom of the container (4) Allowed to cool (5) The salt particles are left behind in the first container (6) The second container contains fresh water.
Where does the following step fit into the given list of steps: Gaseous water is piped into another container
After step 3.