GiftsSome friends are planning a party. The diagram below shows some of the friendships in the neighbourhood – two people are friends with each other if a line connects their names.For each pair of friends, only one of them is to buy and bring a gift for the other. The numbers in the diagram show how many gifts each person can buy. No friend is supposed to buy more gifts than this number.Task:Click on the lines in the diagram to show who gives and receives presents.Click again to change the arrow direction. Click once more to remove the arrow.(Click Save when you are satisfied with your answer.)