Q: 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) Living organisms in the sea die (2) The matter forms on the sea floor (3) After many years the matter is compressed and heated (4) The result is that crude oil forms.  
Where does the following step fit into the given list of steps: Layers of sediment form above the matter compressing it 
A:
 After step 2. 