val allFood = Observable.from(food)
val fruit = allFoods.filter {
        food -> food.type == "APPLE" ||
                  food.type == "ORANGE" ||
                  food.type == "PEAR" ||
                  food.type == "PLUM" 
                  
}
val vegy = allFoods.filter {
        food -> food.type == "POTATO" ||
                  food.type == "PICKLE" ||
                  food.type == "TOMATO" ||
                  food.type == "SALAD" ||
                  food.type == "CARROT" ||
                  
}
val meat = allFoods.filter { food -> food.type == "BEEF" ||
                                    food.type == "PORK" ||
                                    food.type == "CHICKEN" ||
                                    food.type == "FISH"
 }
fruit.subscribe { Log.d("yay" , "i got fruit") }
vegy.subscribe { Log.d("yay" , "i got vegy") }
meet.subscribe { Log.d("yay" , "i got meet") }