Watermelon salad

Ingredients

• 1 whole watermelon, sliced in big circles (* easier to cut this way, later into cubes)
• 2 English cucumbers
• 1 bunch of basil
• 1 bunch of mint
• 1 bunch of parsley
• 1 bunch of chives
• 900 grams cherry tomato
• 1/4 cup lemon
• 2 avocados
• 1 cup of olive oil
• 150 milliliters white wine vinegar
• 1 cup of arugula
• 1 bunch of tarragon