This screen from Oracle Data Miner shows the Rule Viewer, which displays the text of the rule that describes the logic for a node in a decision tree. This rule is:

IF HOUSEHOLD_SIZE is in 2 AND EDUCATION is in { 10th 11th 12th 1st-4th 5th-6th 7th-8th 9th < Bach. Assoc-A Assoc-V HS-grad Presch. } AND CUST_MARITAL_STATUS is in { Divorc. Mabsent Mar-AF NeverM Separ. Widowed THEN AFFINITY_CARD equal 0