I would say 3 the scout is right and they will attack treasury number 2 . Mayby im to drunk for basic combinatorics but i would say 1 (A/notB) for 2(notB/A) and for 3 (notA/B) so 1 and 2 are the same answer and only one can be true so it must be number 3
greetings drunken
crowcow