Study the information givenbelow and answer the question

Eight persons A,B,D,F,G,H,J,L are sitting in two concentric table with four persons are sitting in each circle. All of them are facing towards each other such that A,B,D and F are sitting around the inner circular table and G,H,J and L are sitting around the outer table. The ages of the person sitting on the table are 10, 15, 18, 20, 26, 29, 30 and 33.

Note:

1. The persons of outer table are sitting exactly in front of the persons sitting around the inner circular table.

2. Two persons are called immediate neighbor only when both are sitting in the same circle. B is sitting second to the right of A. L who is sitting in front of B is 20 years old. Two persons sits between A and F (counting from the right). A is not an immediate neighbor of B. G is sitting in front of F. L is an immediate neighbor of G. D is an immediate neighbor of A. J is facing D, H is not sitting behind D. The person sits to the immediate left of L is 10 years older than him. The age of person sits in front of A is 33 years old. The sum of age of D and B is age of H. D is older than B. The difference between age of A and F is 3 years and F is older than A.

Now answer who sits in front of one whose age is prime number?"