Please choose the correct ending to complete the given sentence: Health: [header] How to improve your mood with diet [title] Add some veggies to your eggs. [step] Bananas have important b vitamins as well as potassium, which are both essential for the health of your brain. They also give you balanced energy for the morning.

Ending1: They also have lots of carbohydrates, which help with the production of the mood enhancing chemical serotonin. [substeps] Eating a low-carbohydrate diet may have a negative effect on your mood. Ending2: Different veggies have similar substance and beneficial ratios. [substeps] Include ones like broccoli with your eggs in a smoothie. Ending3: Cooking vegetables also helps promote a healthy emotional response. To make it more difficult to sleep, include vegetables in your diet. Ending4: [title] Eat nuts as an appetizer. [step] You can add a few tablespoons of raw black greek yogurt into your morning scrambled omelet.

Answer format: ending1/ending2/ending3/ending4