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) Sunlight shines on plants (2) Cells with chlorophyll in them capture the light energy (3) Plants absorb carbon dioxide through their stoma (4) Plants absorb water through their roots and other parts of themselves (5) Plants absorb minerals through their roots (6) Plants convert these inputs into sugars (7) Sugars can be used as energy sources (8) Excess water and oxygen are released through stoma and other parts of the plant.  
Where does the following step fit into the given list of steps: Oxygen and water are also produced 
 After step 7. 