+------+----------------+---------+----------------+
| :sid | :supplier_name | :status | :supplier_city |
+------+----------------+---------+----------------+
| S1   | Smith          |      20 | London         |
| S2   | Jones          |      10 | Paris          |
| S3   | Blake          |      30 | Paris          |
| S4   | Clark          |      20 | London         |
| S5   | Adams          |      30 | Athens         |
+------+----------------+---------+----------------+