THIS BLOG'S FIRST PUZZLE

There are 5 people. A, B, C, D and E. All five of them are to be seated in a linearly placed chairs. Each of them have specific preferences with sitting near each other. A wishes to sit next to C and B wishes to sit next to D. E prefers to sit on the right corner and D does not wish to sit besides A. How many arrangements are possible? list out the solution(s).

Solution: