An Internal Services Manager at a large corporation has been assigned the task of allotting offices to six of the staff members. The offices are titled A through F.

Mrs. Ruby needs to use the telephone quite often throughout the day. Mr. Mujahid and Mr. Zahid need adjecnt offices as they need to consult each other often while working. Mrs. Fauzia is a senior employee and must be allotted to the office marked E, having the biggest window. Mr. Abid requires silence in the offices next to him. Mr. Shahid, Mr. Mujahid, and Mr. Abid are all smokers. Mrs. Fauzia requires non-smoker neighbours. 

Unless specifically stated all the employees maintain an atmosphere of silence during office hours.