CLAT 2008 Question Paper with answer key for online practice

A tourist can tour utmost four places out of A, B, C, D, E, F and G. Out of four, not more than two can come under holiday tour and at least two must come under business trip. The break up is as follows : A, B, C and D - Business tour; E, F and G - Holiday tour. Under the same fact situation as above, suppose that the following restrictions hold good:
(A) A can be included provided C is included.
(B) E is included provided B or G is included but not both.
(C) C can be included provided at least D or F is excluded. Which one of the following is a certainty ?