Molly's mother made a classic tangential response as she twists the original proposition into something else. The tangential response is a response which uses the other speaker's statement as a starting, shifting point for starting the new topic and navigating the conversation into a new direction. 
        
             
        
        
        
The nutritional value of food is largely a function of its vitamin and mineral content.<span> it is free of contamination with health harming chemicals such as pesticides, fungicides and herbicides.
Negatives in comment</span>
        
                    
             
        
        
        
It's a mix of native indians (mayans, aztecs, incas) and the spanish conquistadores who came to America in the 1500's.
        
             
        
        
        
It was a vital commercial and military trail.