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.

Q: Steps: (1) Acid rain makes waters acidic (2) Causes them to absorb aluminum from soil (3) Fish and their eggs die (4) Frogs and plants die (5) Insects and other wildlife die (6) The ecosystem is out of balance, causing further problems  
Where does the following step fit into the given list of steps: The water runs off from the soil into lakes, streams, etc 

A:  After step 2. 
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Q: Steps: (1) The cold water forms ice crystals (2) The ice crystals grow by absorbing surrounding water droplets (3) Form snowflakes (4) The snowflakes fall to the ground.  
Where does the following step fit into the given list of steps: Water in the clouds becomes very cold 

A:  Before step 1. 
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Q: Steps: (1) A virus enters a host body (2) The virus has receptors that lock onto a target cell (3) The virus uses the cell like a factory to make new copies of the virus (4) The new copies of the virus leave the cell (5) Infect other cells (6) The host gets sick as its cells are damaged.  
Where does the following step fit into the given list of steps: The virus enters the cell 

A:
 After step 2. 
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