# A tibble: 11 x 1
   x               
   <chr+lbl>       
 1 A [Apple]       
 2 A [Apple]       
 3 A [Apple]       
 4 B [Banana]      
 5 B [Banana]      
 6 B [Banana]      
 7 XXXXXX [Mystery]
 8 XXXXXX [Mystery]
 9 XXXXXX [Mystery]
10 XXXXXX [Mystery]
11 <NA>            
