We challenge you
1. What is the only letter in the word "piano" that corresponds to a piano key?
      
       
     13 
 
 
       
     7 
 
 
       
     A 
 
 
       
     I 
 
 
    
 
     13 
 
 
       
     7 
 
 
       
     A 
 
 
       
     I