The goal of this challenge is to query the Giphy random roulette API and display the resulting image in the playground either by simply assigning an NSImage/UIImage to a variable or by instantiating an image view in the playground's live view. Use ReactiveCocoa for this task. It's perfectly okay to check out ReactiveCocoa and code away in their sandbox. It has everything you need. However you can also setup a new project and include the framework through Carthage or CocoaPods.
If you have any questions or problems drop me a message and I'll try to help you.
Since the code is asynchronous by nature you should set indefinite execution on the playground like so:
XCPlaygroundPage.currentPage.needsIndefiniteExecution = true
Code readability is key in FRP, so please structure your code in a way other people can understand what's going on easily.