It relates to the actual meaning which is "<span>a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change."</span>
        
             
        
        
        
To really beautifully portray the emotion of the story/meaning that he is telling.
        
             
        
        
        
Answer: 
The girl pulled a crayon from the box.
Explanation:
* The act is done by the girl. So "The girl" becomes subject.
* Pulled is the verb. It's in past tense because in passive it's mentioned as "<u>was</u> pulled".