Room to rent in Lisbon

Room to rent for 3 to 6 months. Its a duplex apartment with 2 rooms, living room, 1 toilet, 1Bathroom and a exterior place with bbq. We are a couple in its 30s living in the house and we are renting the other room for a short to medium stay (3 to 6 months). We are looking for sone who is studying working in Lisbon for a few months and is looking for a quiet and cool place to stay! we both work and dont have any pets. (there is a small double bed in the room now and the sound system is not there but this was the only nice pic i had ) ).