code: def test_filter_contradicted_instances_disjoint_pos_neg(self):
      pos = np.array([[1, 2, 3], [4, 5, 6]])
  
      neg = np.array([[7, 8, 9]])
      actual = binding._filter_contradicted_instances(pos, neg)
      expected = np.array([[7, 8, 9]])
      np.testing.assert_equal(actual, expected)
  
imports: from unittest import TestCase
  import numpy
  from aix360.algorithms.rule_induction.ripper import binding
label_desc: Use image node_id 3 for calling the TestBinding obj's underlying member method code with example usage: obj.test_filter_contradicted_instances_disjoint_pos_neg() without return types