Pickled Green Tomatoes and Watermelon

Ingredients

• 1 – 1½ liters boiled water
• ⅔ cup vinegar
• 2 teaspoons salt
• 2 teaspoons sugar
• 6 green tomatoes
• 2 carrots, sliced
• 1 tablespoon black peppercorns
• 1 small watermelon
• 1 red onion, sliced
• 1 teaspoon mustard seeds