def METHOD_NAME(recipient_lookup):
    # Test for DUNS
    recipient_parameters = {
        "recipient_name": "Parent Recipient Test",
        "recipient_uei": "123",
        "parent_recipient_uei": None,
        "recipient_unique_id": "NOT A REAL DUNS",  # Show that DUNS is not used when UEI is present
        "parent_recipient_unique_id": None,
        "is_parent_recipient": True,
    }
    expected_result = "f5ba3b35-167d-8f32-57b0-406c3479de90-P"
    assert obtain_recipient_uri(**recipient_parameters) == expected_result