Backyard Decoration Game

How to play the game "Backyard Decoration Game"?

Holly can’t wait for this afternoon. The weather is going to be gorgeous and so her and her house mate are going to host a barbecue for all their friends and family! The only problem is that they forgot to buy garden furniture, d’oh! See if you can speedily make the patio look amazing. Think sophisticated but still cool. Wow, you’re a pro! You must have done this before...