+----------+---------+---------------------+------------------------+-------------+
|          | context | matched docs scored | matched docs in result | exact match |
+----------+---------+---------------------+------------------------+-------------+
| must     | query   | yes                 | yes                    | yes         |
| filter   | filter  | no                  | yes                    | yes         |
| should   | query   | yes                 | yes                    | no          |
| must_not | filter  | no                  | no                     | yes         |
+----------+---------+---------------------+------------------------+-------------+