List five foods that have high protein content.
Some high-protein foods include:
1. Chicken breast
2. Lentils
3. Greek yogurt
4. Tuna
5. Peanut butter
Complete the following task based on the instruction and optional input provided.### Instruction:
List five foods that have high protein content.

### Output:
Some high-protein foods include:
1. Chicken breast
2. Lentils
3. Greek yogurt
4. Tuna
5. Peanut butter