Directions: Read the following information carefully and answer the questions that follow:

Six letters A, B, C, D, E and F are to be organised in a span of seven days - from Sunday to Saturday, only one lecture on each day in accordance with the following. (i) A should not be organised on Thursday. (ii) C should be organised immediately after F. (iii) There should be a gap of two days between E and D. (iv) One day there will be no lecture (Friday is not that day), just bsfore that day D will be organised. (v) B should be organised on Tuesday and should not be followed by D.

[R.R.B. 2004]

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Which of the following information is not required in finding the complete sequence of organisation of lectures?