Match the several meanings of the word COMPLEX with their appropriate usages.
| Meaning | | Usage |
|---|
| 1) complicated | 5) | A new sports complex is coming up for the Common Wealth Games. |
| 2) abnormal state of mind | 6) | Culture is a complex whole of many things. |
| 3) group of structures | 7) | She has a complex about being overweight. |
| 4) mixture | 8) | His motives in carrying out the crime were complex. |