Now you are in a room facing towards a brown desk with a lamp on it. Turn behind, now in front of you there is an open door. Go straight near to that open door. Now you are facing towards the wall with switches on it. Turn to right and move forward. Now in front of you there is a narrow corridor and on the right side you have an open door. Go straight near to that open door. Now you are at the entrance of the washroom with a sink on the left side and that is the end point.