新成立的政府首脑希望从六个选定的成员P，Q，R，S，T和U中任命五个，分别担任房屋，电力，国防，电信和金融领域的投资组合。如果S获得五个投资组合之一，则U不需要任何投资组合。 R想要房屋或金融，或者不想要投资组合。 Q说如果S获得电信权，则她必须获得另一权。如果P得到一个，T就会坚持一个投资组合。投资组合的有效分配是什么?
(A) P-Home，Q-Power，R-Defence，S-Telecom，T-Finance
(B) R-Home，S-Power，P-Defence，Q-Telecom，T-Finance
(C) P-Home，Q-Power，T-Defence，S-Telecom，U-Finance
(D) Q-Home，U-Power，T-Defence，R-Telecom，P-Finance答案： (B)
解释：
Six selected members are P, Q, R, S, T and U
Portfolios are Home, Power, Defence, Telecom, and Finance.
U does not want any portfolio if S gets one of the five.
R wants either Home or Finance or no portfolio.
Q says that if S gets either Power of telecom, then she must
get the other one.
T insists on a portfolio if P gets one Which is the valid
distribution of portfolios?
A) P-Home, Q-Power, R-Defence, S-Telecom, T-Finance
Not valid as R doesn't get home or finance here
R-Home, S-Power, P-Defence, Q-Telecom, T-Finance
Is valid and satisfies all conditions.
C) P-Home, Q-Power, T-Defence, S-Telecom, U-Finance
Not valid as U is not satisfied. Condition for U is, S should not
get any portfolio.
D) Q-Home, U-Power, T-Defence, R-Telecom, P-Finance
Like A, not valid as R doesn't get home or finance here
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