ROOT (token: short_text [lag_newlines/spaces] {pos_id})
 ¦--expr:  [0/0] {2}                                   
 ¦   °--NUM_CONST: 1 [0/0] {1}                         
 ¦--expr:  [1/0] {4}                                   
 ¦   °--NUM_CONST: 2 [0/0] {3}                         
 °--expr:  [1/0] {6}                                   
     °--NUM_CONST: 3 [0/0] {5}                         
