While you're at it, are these puppies or bagels?
Wait, are these sheepdogs or mops?
Oh, and one last thing, are these Chihuahuas or muffins?
In response to the picture collages Zack created, other Twitter users started to post their own dogs-that-look-like-other-things memes. For example, shar peis or towels?
Shar peis or chocolate?
Cat or pita bread?
This isn't the first time Zack tried to stump the Internet. She's previously tweeted pictures comparing ducklings and plantains.
And shrews and kiwis.
These are the questions that plague our universe.