Answer:
 It creates a warm and relaxed tone.
Explanation:
It was a summer evening,
Old Kaspar's work was done,
And he before his cottage door
Was sitting in the sun,
And by him sported on the green
His little grandchild Wilhelmine.
This stanza is warm and calm, not anxious, nervous, or mysterious.
 
        
                    
             
        
        
        
Their would be your second one
        
             
        
        
        
The correct answer is 
<span>b. Robinson uses it as a calendar.
Basically, he engraves when he got there on it and then he puts markings on it to count how many days and months has he spent on the island. He uses it as a primitive calendar but it works well and serves its purpose. Eventually he fills up the entire post.</span>