Gulf Shrimp And Vegetables

• 2 shallots
• 1 leaf lettuce
• 2,100 ml water
• 750 gr unpeeled shrimp (fresh)
• 475 gr commercial italian salad
• 140 gr ripe olives (sliced)
• 140 gr green pepper (chopped)
• 60 ml olive oil
• 50 gr celery (chopped)
• 45 gr sweet pickle (chopped)