Mediterranean Chicken Wrap

• 0.3 cup couscous
• 1 lemon, juiced
• 0.25 cup extra virgin olive oil
• 1.5 tsp lemon, herb and garlic seasoning
• 0.25 cup fresh parsley, finely chopped
• 200 g chicken tenderloins
• 1 cucumber, diced
• 100 g tomato, diced
• 2 wholemeal wraps
• 0.25 cup Greek yoghurt (optional)