diff --git a/python_arborist.py b/python_arborist.py
index c7ed80df4c131aebeaaa8580f1f392551d228fbf..72159388bccf0b876afa2e301a43f0ea429f8150 100644
--- a/python_arborist.py
+++ b/python_arborist.py
@@ -12,6 +12,9 @@ from typing import List, Dict, Tuple, Optional
 from combinatorial_LR_parser import MasterStateMachine
 
 
+import random
+
+
 import CFGBoltzmann
 
 class TreeNode:
@@ -380,6 +383,7 @@ top_bit = (1<<16)
 
 
 def deserializer(serialized_array, last_idx_written):
+    random_triggered = False
     list_of_nodes = []
     physical_to_logical = {}
     physical_idx = 0
@@ -416,6 +420,14 @@ def deserializer(serialized_array, last_idx_written):
             print("")
         print("")
 
+        if (random.randint(0,10) == 0):
+            false_element = random.choices(list_of_nonterminals + list_of_terminals)[0]
+
+            if (false_element != new_element):
+                print("RANDOM TRIGGERED! EXPECT FALSE RESULT!", "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX")
+                random_triggered = True
+                new_element = false_element
+
         new_node = TreeNode(new_element, subnodes_array)
 
         list_of_nodes.append(new_node)
@@ -424,14 +436,14 @@ def deserializer(serialized_array, last_idx_written):
         physical_idx += 2 + number_subnodes
         logical_idx  += 1
     print("physical to logical mapping is", physical_to_logical)
-    return new_node
+    return (new_node, random_triggered)
 
 
 
 
 
 
-parser_output_tree = deserializer(serialized_tree_final, 30)
+(parser_output_tree, random_trig) = deserializer(serialized_tree_final, 30)
 
 walk_the_tree(parser_output_tree,0)
 
@@ -455,4 +467,5 @@ def are_trees_equal(tree_one_root, tree_two_root): # returns True if equal, Fals
     for idx, elem in enumerate(tree_one_root.subnodes):
         return are_trees_equal(elem, tree_two_root.subnodes[idx])
 
-print("ARE TREES EQUAL???", are_trees_equal(bgen[1], parser_output_tree))
\ No newline at end of file
+print("WAS RANDOM TRIGGERED??", random_trig)
+print("ARE TREES EQUAL???", are_trees_equal(bgen[1], parser_output_tree))