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 liver takes in blood from the rest of the body (2) The liver uses enzymes to clean the blood (3) The liver creates bile from the items filtered (4) The liver takes energy and stores it as glycogen (5) The bile is sent to the intestines.  
Where does the following step fit into the given list of steps: The cleaned blood is expelled 
 After step 2. 