which paper to choose

i pass p4 in 3rd attempt , m teacher of f2 & f5. . . . its not posible for me to take any subject clasese whether it is p7 or p5 due to my office timings 9 to 5 . . . . which subject would be most better for me whch i can pass without tuotion classes p5 or p7 . want to give exam in dec attempt