You will be given a definition of a task first, then some input of the task.
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) Sugar enters the body (2) The pancreas (3) Insulin lower sugar levels (4) Bloo sugar goes back to normal.  
Where does the following step fit into the given list of steps: Bloodstream 
Output:
 After step 1. 