Teacher: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.
Teacher: Now, understand the problem? Solve this instance: Steps: (1) Light energy is absorbed by chlorophyll in a plant (2) The plant uses nutrients in the soil (3) The plant uses carbon dioxide in the air to produce glucose (4) The plant uses the glucose to give itself energy (5) Oxygen is released as a by product.  
Where does the following step fit into the given list of steps: The light energy is used to convert carbon dioxide 
Student:
 After step 1. 