Answer:
The correct answer is letter "A": The synonym/antonym group.
Explanation:
Fergus I. M. Craik and Robert S. Lockhart in 1972 proposed the Levels-of-processing effects which try to explain the depth of memory retention according to the information that is provided. As more immersed a piece of information is, it is likely to last longer in the individual's memory.
In the example, <em>the synonym/antonym group</em> will not only have to relate words but also learn about their meanings so the possibility of remembering those words is greater. 
 
        
             
        
        
        
Explanation:
123456789...................10
 
        
             
        
        
        
Answer: saying the opposite thing usually for humor
Here is an example of irony:
Denise threw the bottle on the florr while John was looking. John asked "Did you drop the bottle?" Denise replied "No, I thoguht you were looking" with irony.