Mushroom chicken pineapple salad

Mushroom chicken salad with pineapple mayo dressing We need : 500 grams grilled chicken 250 grams fresh mushrooms 1big green lettuce Green onion 1 can sweetcorn 1 cup green grapes 1 small can of pineapple slices ( use only the pineapples not the syrup) For dressing: 1 large tablespoon of honey 1 large tablespoon of mustard 2 large tablespoon of mayo mixed with catchup 1/4 cup of olive oil Salt and pepper 400 grams of yogurt