Answer: 
B.
Explanation:
The definition of an observation is the act of noticing something or a judgment or inference from something seen or experienced.
 
        
                    
             
        
        
        
Answer: Chad will make a good class president
Explanation:
 The most warrant statement is that Chad will be a good class president because of his chess skills that are good for that and that can help him. Chess skills and that he is a chess player are giving him authorization for being a class president. This statement can also be false.