Match the following:
| Natural colorant | Source | Plant part |
| P. Annatto | 1. Curcuma longa | i. Seed |
| Q. Curcumin | 2. Rubia tinctorum | ii. Leaf |
| R. Henna | 3. Bixa Orellana | iii. Root |
| S. Alizarin | 4. Lawsonia inermis | iv. Rhizome |
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