Answer:
Decide on the main point to address in your outline. 
Explanation:
Usually when making an outline you would make your thesis statement first, however since thesis statement is not there the closest thing to a these statement is the main point to address in your outline. 
Also when doing process of elimination anything that has to do with evidence comes second or when it comes to secondary info.
Hope that this helps 
 
        
             
        
        
        
1) She/he stops working to watch the two bald eagles flying.
2) The noise of the seagulls from her/his window don't let her/him focus on her/his work.
3) Her/his St. Bernard demands to be petted and comes near, and she/he leaves her/his work to pet him.
4) She/he leaves her work to take her daily ride down the beach.
        
             
        
        
        
Encoding,medium of transmission,decoding, and feedback
        
             
        
        
        
To segregate means to split. To separate, to spread apart.
Your answer: Separate.