code: def test_evaluate(self):
      feature_1 = Feature("age")
      feature_2 = Feature("estimated_income")
      my_val = {"age": 25, "estimated_income": 70000}
      pred_1 = predicate.Predicate(feature_1, predicate.Relation.LT, 27)
      pred_2 = predicate.Predicate(
          feature_2, predicate.Relation.GE, 80000
      )
      pred_3 = -pred_2
      conjunction_1 = conjunction.Conjunction([pred_1, pred_2])
      conjunction_2 = conjunction.Conjunction([pred_1, pred_3])
  
      self.assertFalse(conjunction_1.evaluate(my_val))
      self.assertTrue(conjunction_2.evaluate(my_val))
  
file_path: AIX360/tests/rule_induction/trxf/core/test_conjunction.py
imports: from unittest import TestCase
  import copy
  from aix360.algorithms.rule_induction.trxf.core.feature import Feature
  import aix360.algorithms.rule_induction.trxf.core.predicate
  import aix360.algorithms.rule_induction.trxf.core.conjunction
label_desc: Use image node_id 2 for calling the TestConjunction obj's underlying member method code with example usage: obj.test_evaluate() without return types