ROOT (token: short_text [lag_newlines/spaces] {pos_id})   
 °--expr: call( [0/0] {1}                                 
     ¦--expr: call [0/0] {3}                              
     ¦   °--SYMBOL_FUNCTION_CALL: call [0/0] {2}          
     ¦--'(': ( [0/0] {4}                                  
     ¦--expr: 1 [1/0] {6}                                 
     ¦   °--NUM_CONST: 1 [0/0] {5}                        
     ¦--',': , [0/2] {7}                                  
     ¦--expr: call2 [1/0] {8}                             
     ¦   ¦--expr: call2 [0/0] {10}                        
     ¦   ¦   °--SYMBOL_FUNCTION_CALL: call2 [0/0] {9}     
     ¦   ¦--'(': ( [0/4] {11}                             
     ¦   ¦--expr: 2 [1/0] {13}                            
     ¦   ¦   °--NUM_CONST: 2 [0/0] {12}                   
     ¦   ¦--',': , [0/1] {14}                             
     ¦   ¦--expr: 3 [0/0] {16}                            
     ¦   ¦   °--NUM_CONST: 3 [0/0] {15}                   
     ¦   ¦--',': , [0/0] {17}                             
     ¦   ¦--expr: call3 [1/0] {18}                        
     ¦   ¦   ¦--expr: call3 [0/0] {20}                    
     ¦   ¦   ¦   °--SYMBOL_FUNCTION_CALL: call3 [0/0] {19}
     ¦   ¦   ¦--'(': ( [0/0] {21}                         
     ¦   ¦   ¦--expr: 1 [0/0] {23}                        
     ¦   ¦   ¦   °--NUM_CONST: 1 [0/0] {22}               
     ¦   ¦   ¦--',': , [0/1] {24}                         
     ¦   ¦   ¦--expr: 2 [0/0] {26}                        
     ¦   ¦   ¦   °--NUM_CONST: 2 [0/0] {25}               
     ¦   ¦   ¦--',': , [0/1] {27}                         
     ¦   ¦   ¦--expr: 22 [0/0] {29}                       
     ¦   ¦   ¦   °--NUM_CONST: 22 [0/0] {28}              
     ¦   ¦   °--')': ) [0/0] {30}                         
     ¦   ¦--',': , [0/13] {31}                            
     ¦   ¦--expr: 5 [1/2] {33}                            
     ¦   ¦   °--NUM_CONST: 5 [0/0] {32}                   
     ¦   °--')': ) [1/0] {34}                             
     ¦--',': , [0/2] {35}                                 
     ¦--expr: 144 [1/12] {37}                             
     ¦   °--NUM_CONST: 144 [0/0] {36}                     
     °--')': ) [1/0] {38}                                 
