Definitely a diner.
Imagine a cross between a coffee shop and a sub shop and this nails the decor. But don't let that fool ya. It's got personality and the food has flavour. Key in a diner. I had the luxury of having the burger with fries. The burger was juicy and you could taste the honest beef flavour. No filler, just beef. Could be more then a three, but need more data to access.
The place is set up perfectly for a quick tastee bite. Make sure you drop buy the owners are really friendly.