Six girls named A, B, C, D, E and F are sitting in a straight line, all facing north. Each one of them has different profession from amongst lawyer, doctor, chef, clerk, teacher and engineer. B is second to the left of D. C is third to the right of D. Only doctor is sitting between clerk and chef. Engineer is second to the left of lawyer. Clerk is sitting at one of the extreme ends. F is a teacher. C is a lawyer. E is not the immediate neighbour of F. Which of the following is/are true based on the given arrangement?

I. E is an engineer.

II. The doctor is sitting at third place to the left of teacher.

III. Engineer is sitting to the immediate right of chef.​​

Given: 

Six girls named A, B, C, D, E and F are sitting in a straight line, all facing north.

Each one of them has different profession from amongst lawyer, doctor, chef, clerk, teacher and engineer.

B is second to the left of D.

C is third to the right of D.

Only doctor is sitting between clerk and chef.

Engineer is second to the left of lawyer.

Clerk is sitting at one of the extreme ends.

F is a teacher.

C is a lawyer.

E is not the immediate neighbour of F.

I. E is an engineer. (False)

II. The doctor is sitting at third place to the left of teacher. (True)​

III. Engineer is sitting to the immediate right of chef. (True)

Thus, correct option is (b).