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| campaign | supplier | supplier_rating | supplier_evaluation2 |
|---|---|---|---|
| C001 | Supplier_D | high | low |
| C001 | Supplier_F | low | low |
| C001 | Supplier_A | high | low |
| C002 | Supplier_L | high | high |
| C002 | Supplier_B | mid | mid |
| C003 | Supplier_Z | mid | low |
| C003 | Supplier_M | low | low |
| C003 | Supplier_C | high | low |