We enjoyed our stay at Bing's Airbnb, it was very clean and nice!
However, the advertised sofa bed was not actually a sofa bed that could fold out. Instead, it was just a two-seat sofa and there was a single metal fold-out bed with a thin foam mattress - which we had to search for inside the cupboard of the bedroom and then set up ourselves. Considering there were two of us staying, one had to sleep on an uncomfortable single, when we were planning on a queen sized bed and a sofa bed.
This place would be unlikely to be able to fit four guests, it barely fit the two of us. If you are booking for four people, you would have to sleep two people on the bed, one on the small couch, and one person on the fold-out metal bed.
Aside from this, the queen-sized bed in the bedroom had no bed head, where one side of the pole seemed to be broken off. There is a huge gap between the bed and the wall, and I had to place pillows in between to close the gap.
All in all, it is a great location and clean, just disappointed as we did not have an advertised 'sofa bed'.