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.
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Question: Steps: (1) Sunlight passes through the glass into the greenhouse (2) The absorbed sunlight is converted to heat (3) The heat cannot escape the glass (4) The heat is trapped in the greenhouse (5) The hot air rises (6) The colder air at the top is pushed to the bottom (7) The colder air is then warmed by the floor and the plants.  
Where does the following step fit into the given list of steps: The plants and floor absorb the the sunlight 

Answer:  After step 1. 


Question: Steps: (1) Put the aluminum can into a recycle bin (2) The cans are transported to a facility (3) The cans are shredded by a machine (4) The cans are heated to 1400 degrees to melt them (5) The molds are flattened and rolled into sheets to reuse.  
Where does the following step fit into the given list of steps: The molten metal is poured into molds 

Answer:  After step 4. 


Question: Steps: (1) The human body takes a breath inward (2) Air is transported to the lungs (3) Air reaches the alveoli, the smallest air sacs in the lungs (4) In the alveoli, air passes into the blood within small capillaries (5) The dissolved oxygen is picked-up by red blood cells (6) The red blood cells bind the oxygen via a protein called heme (7) Red blood cells circulate throughout the body and reach the various tissues (8) Within small capillaries, the heme release the oxygen (9) The oxygen can then reach the cells within the tissue  
Where does the following step fit into the given list of steps: The gaseous oxygen in the air dissolves into the capillary blood 

Answer:
 After step 4.