Generate a plausible statement comparing two vegetables.
Both spinach and kale are leafy green vegetables that are packed with nutrition, but kale tends to have higher levels of vitamins and minerals, while spinach is a better source of folate and iron.
Complete the following task based on the instruction and optional input provided.### Instruction:
Generate a plausible statement comparing two vegetables.

### Output:
Both spinach and kale are leafy green vegetables that are packed with nutrition, but kale tends to have higher levels of vitamins and minerals, while spinach is a better source of folate and iron.