Match all items in Group 1 with correct options from those given in Group 2. GROUP 1 GROUP 2 P. Intermediate representation 1. Activation records Q. Top-down parsing 2. Code generation R. Runtime environments 3. Leftmost derivation S. Register allocation 4. Graph colouring
| GROUP 1 | GROUP 2 |
| P. Intermediate representation | 1. Activation records |
| Q. Top-down parsing | 2. Code generation |
| R. Runtime environments | 3. Leftmost derivation |
| S. Register allocation | 4. Graph colouring |
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