Drag each of the following Chinese characters into the correct category box.
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                        1. 山 → Pictograph.  | 
                    
                         明(Hint: Formed by combining the images of the sun (日) and the moon (月) to suggest brightness) 
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                        2. 明 and 休 → Compound Ideograph  | 
                    
                         山(Hint: This character visually resembles the object it represents (mountain)) 
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                         3. 河 → Phonetic Compound.  | 
                    
                         休(Hint: Composed of a person (人) and a tree (木) to convey the idea of taking a break) 
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                         4.明 and 休 → Compound Ideograph  | 
                    
                         河(Hint: Contains a water radical (氵) plus a phonetic element that hints at its pronunciation)  
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