A functional document, also known as functional specification, is a document that specifies the function that a system must perform, mostly regarded in systems engineering and software development. It typically describes what the system needs by the user, including the requested properties of inputs and outputs. It is somewhat similar to a matching requirements document.
        
             
        
        
        
Answer:
The second missed out full stop at end.
The third answer is wrong as however is in lower case.
The fourth is as well as wrong the however is in lower case.
The last missed out full stop. 
So, the first is correct as however dont really nessasarily need comma.
 
        
                    
             
        
        
        
I think the correct answer from the choices listed above is the second option. The effect of  john hoar's arrival was that <span>rowlandson was able to be returned to her husband.  Hope this answers the question. Have a nice day. Feel free to ask more questions.</span>
        
                    
             
        
        
        
The flowers were so yellow I was nearly blinded. 
Hyperbole: an exaggeration