<human>:  What are the four food groups?
<bot>: 
1. The four food groups are grains, vegetables, fruits, and proteins.
2. Grains include wheat, oats, corn, and rice.
3. Vegetables include leafy greens, root vegetables, legumes, and cruciferous vegetables.
4. Fruits include apples, oranges, bananas, and berries.
5. Proteins include beans, eggs, nuts, and meat.