ROOT (token: short_text [lag_newlines/spaces] {pos_id})
 ¦--expr:  [0/0] {0.9}                                 
 ¦   ¦--expr:  [0/1] {2}                               
 ¦   ¦   °--SYMBOL: x [0/0] {1}                        
 ¦   ¦--EQ_ASSIGN: = [0/1] {3}                         
 ¦   °--expr:  [0/0] {5}                               
 ¦       °--NUM_CONST: 5 [0/0] {4}                     
 °--expr:  [2/0] {6}                                   
     ¦--IF: if [0/0] {7}                               
     ¦--'(': ( [0/0] {8}                               
     ¦--expr:  [0/0] {9}                               
     ¦   ¦--expr:  [0/1] {11}                          
     ¦   ¦   °--SYMBOL: x [0/0] {10}                   
     ¦   ¦--GE: >= [0/1] {12}                          
     ¦   °--expr:  [0/0] {14}                          
     ¦       °--NUM_CONST: 5 [0/0] {13}                
     ¦--')': ) [0/2] {15}                              
     ¦--expr:  [1/1] {15.9}                            
     ¦   ¦--expr:  [0/1] {17}                          
     ¦   ¦   °--SYMBOL: y [0/0] {16}                   
     ¦   ¦--EQ_ASSIGN: = [0/1] {18}                    
     ¦   °--expr:  [0/0] {20}                          
     ¦       °--NUM_CONST: TRUE [0/0] {19}             
     ¦--ELSE: else [0/4] {21}                          
     °--expr:  [1/0] {21.9}                            
         ¦--expr:  [0/1] {23}                          
         ¦   °--SYMBOL: y [0/0] {22}                   
         ¦--EQ_ASSIGN: = [0/1] {24}                    
         °--expr:  [0/0] {26}                          
             °--NUM_CONST: FALSE [0/0] {25}            
